679813125364 has 12 divisors (see below), whose sum is σ = 1189687838724. Its totient is φ = 339902314304.

The previous prime is 679813125359. The next prime is 679813125413. The reversal of 679813125364 is 463521318976.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 144050611600 + 535762513764 = 379540^2 + 731958^2 .

It is a congruent number.

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, 687367 + ... + 1353550.

It is an arithmetic number, because the mean of its divisors is an integer number (99140653227).

Almost surely, 2^679813125364 is an apocalyptic number.

It is an amenable number.

679813125364 is a deficient number, since it is larger than the sum of its proper divisors (509874713360).

679813125364 is a wasteful number, since it uses less digits than its factorization.

679813125364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124194 (or 2124192 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 55.

The spelling of 679813125364 in words is "six hundred seventy-nine billion, eight hundred thirteen million, one hundred twenty-five thousand, three hundred sixty-four".