679745547976 has 16 divisors (see below), whose sum is σ = 1390388621040. Its totient is φ = 308975249040.

The previous prime is 679745547959. The next prime is 679745547983.

679745547976 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3862190526 + ... + 3862190701.

It is an arithmetic number, because the mean of its divisors is an integer number (86899288815).

Almost surely, 2^679745547976 is an apocalyptic number.

It is an amenable number.

679745547976 is an abundant number, since it is smaller than the sum of its proper divisors (710643073064).

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

679745547976 is a wasteful number, since it uses less digits than its factorization.

679745547976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7724381244 (or 7724381240 counting only the distinct ones).

The product of its digits is 2800526400, while the sum is 76.

The spelling of 679745547976 in words is "six hundred seventy-nine billion, seven hundred forty-five million, five hundred forty-seven thousand, nine hundred seventy-six".