679918768 has 20 divisors (see below), whose sum is σ = 1342199808. Its totient is φ = 333544640.

The previous prime is 679918763. The next prime is 679918777. The reversal of 679918768 is 867819976.

It is not an unprimeable number, because it can be changed into a prime (679918763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400048 + ... + 401743.

Almost surely, 2^679918768 is an apocalyptic number.

It is an amenable number.

679918768 is a deficient number, since it is larger than the sum of its proper divisors (662281040).

679918768 is a wasteful number, since it uses less digits than its factorization.

679918768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801852 (or 801846 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 61.

The square root of 679918768 is about 26075.2520217926. The cubic root of 679918768 is about 879.3309170306.

The spelling of 679918768 in words is "six hundred seventy-nine million, nine hundred eighteen thousand, seven hundred sixty-eight".