108764718687 has 12 divisors (see below), whose sum is σ = 157902081480. Its totient is φ = 72141741168.

The previous prime is 108764718679. The next prime is 108764718707. The reversal of 108764718687 is 786817467801.

108764718687 is a `hidden beast` number, since 1 + 0 + 8 + 7 + 6 + 471 + 86 + 87 = 666.

It is not a de Polignac number, because 108764718687 - 2³ = 108764718679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108764718617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30670737 + ... + 30674282.

It is an arithmetic number, because the mean of its divisors is an integer number (13158506790).

Almost surely, 2^108764718687 is an apocalyptic number.

108764718687 is a deficient number, since it is larger than the sum of its proper divisors (49137362793).

108764718687 is a wasteful number, since it uses less digits than its factorization.

108764718687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61345222 (or 61345219 counting only the distinct ones).

The product of its (nonzero) digits is 25288704, while the sum is 63.

The spelling of 108764718687 in words is "one hundred eight billion, seven hundred sixty-four million, seven hundred eighteen thousand, six hundred eighty-seven".