Number of the day: 78859

Properties of the number 78859:

78859 = 11 × 67 × 107 is a sphenic number and squarefree.
78859 has 3 distinct prime factors, 8 divisors, 15 antidivisors and 69960 totatives.
78859 has an emirp digit sum 37 in base 10.
Reversing the decimal digits of 78859 results in a sphenic number.
78859 = (11 × 12)/2 + … + (77 × 78)/2 is the sum of at least 2 consecutive triangular numbers in 1 way.
78859 = 39430² - 39429² = 3590² - 3579² = 622² - 555² = 422² - 315² is the difference of 2 nonnegative squares in 4 ways.
78859 is the sum of 2 positive triangular numbers.
78859 is the difference of 2 positive pentagonal numbers in 4 ways.
78859 = 17² + 27² + 279² is the sum of 3 positive squares.
78859² is the sum of 3 positive squares.
78859 is a divisor of 857²² - 1.
78859 is palindromic in (at least) the following bases: -88, and -95.

The number 78859 belongs to the following On-Line Encyclopedia of Integer Sequences (OEIS) sequence (among others):

Sequence number and description below are taken from OEIS.
A058601: McKay-Thompson series of class 27b for the Monster group.