679316680 has 32 divisors (see below), whose sum is σ = 1746815040. Its totient is φ = 232908480.

The previous prime is 679316669. The next prime is 679316699. The reversal of 679316680 is 86613976.

It is a super-2 number, since 2×679316680² = 922942303452444800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 679316680.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212786 + ... + 1213345.

It is an arithmetic number, because the mean of its divisors is an integer number (54587970).

Almost surely, 2^679316680 is an apocalyptic number.

It is an amenable number.

679316680 is an abundant number, since it is smaller than the sum of its proper divisors (1067498360).

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

679316680 is a wasteful number, since it uses less digits than its factorization.

679316680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426149 (or 2426145 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 679316680 is about 26063.7042647433. The cubic root of 679316680 is about 879.0712826097.

The spelling of 679316680 in words is "six hundred seventy-nine million, three hundred sixteen thousand, six hundred eighty".