679707702688 has 48 divisors (see below), whose sum is σ = 1545108796224. Its totient is φ = 288300165120.

The previous prime is 679707702649. The next prime is 679707702749. The reversal of 679707702688 is 886207707976.

It is a super-2 number, since 2×679707702688² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15619558 + ... + 15663013.

It is an arithmetic number, because the mean of its divisors is an integer number (32189766588).

Almost surely, 2^679707702688 is an apocalyptic number.

It is an amenable number.

679707702688 is an abundant number, since it is smaller than the sum of its proper divisors (865401093536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

679707702688 is a wasteful number, since it uses less digits than its factorization.

679707702688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31282685 (or 31282677 counting only the distinct ones).

The product of its (nonzero) digits is 99574272, while the sum is 67.

The spelling of 679707702688 in words is "six hundred seventy-nine billion, seven hundred seven million, seven hundred two thousand, six hundred eighty-eight".