108979624685 has 32 divisors (see below), whose sum is σ = 133993116000. Its totient is φ = 85070233600.

The previous prime is 108979624667. The next prime is 108979624723. The reversal of 108979624685 is 586426979801.

It can be written as a sum of positive squares in 16 ways, for example, as 66571224196 + 42408400489 = 258014^2 + 205933^2 .

It is a de Polignac number, because none of the positive numbers 2^k-108979624685 is a prime.

It is a super-2 number, since 2×108979624685² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14243741 + ... + 14251389.

It is an arithmetic number, because the mean of its divisors is an integer number (4187284875).

Almost surely, 2^108979624685 is an apocalyptic number.

It is an amenable number.

108979624685 is a deficient number, since it is larger than the sum of its proper divisors (25013491315).

108979624685 is a wasteful number, since it uses less digits than its factorization.

108979624685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8161.

The product of its (nonzero) digits is 52254720, while the sum is 65.

The spelling of 108979624685 in words is "one hundred eight billion, nine hundred seventy-nine million, six hundred twenty-four thousand, six hundred eighty-five".