679747976 has 16 divisors (see below), whose sum is σ = 1275127440. Its totient is φ = 339714000.

The previous prime is 679747973. The next prime is 679747993.

It is a happy number.

679747976 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (679747973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866 + ... + 36881.

It is an arithmetic number, because the mean of its divisors is an integer number (79695465).

Almost surely, 2^679747976 is an apocalyptic number.

It is an amenable number.

679747976 is a deficient number, since it is larger than the sum of its proper divisors (595379464).

679747976 is a wasteful number, since it uses less digits than its factorization.

679747976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40004 (or 40000 counting only the distinct ones).

The product of its digits is 28005264, while the sum is 62.

The square root of 679747976 is about 26071.9768333742. The cubic root of 679747976 is about 879.2572831055.

The spelling of 679747976 in words is "six hundred seventy-nine million, seven hundred forty-seven thousand, nine hundred seventy-six".