679011904 has 28 divisors (see below), whose sum is σ = 1348374748. Its totient is φ = 339264000.

The previous prime is 679011889. The next prime is 679011913. The reversal of 679011904 is 409110976.

It can be written as a sum of positive squares in 2 ways, for example, as 217621504 + 461390400 = 14752^2 + 21480^2 .

It is a super-2 number, since 2×679011904² = 922114331547410432, which contains 22 as substring.

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, 116254 + ... + 121954.

It is an arithmetic number, because the mean of its divisors is an integer number (48156241).

Almost surely, 2^679011904 is an apocalyptic number.

679011904 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

679011904 is a deficient number, since it is larger than the sum of its proper divisors (669362844).

679011904 is a wasteful number, since it uses less digits than its factorization.

679011904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7574 (or 7564 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 679011904 is about 26057.8568573856. The cubic root of 679011904 is about 878.9397975873.

The spelling of 679011904 in words is "six hundred seventy-nine million, eleven thousand, nine hundred four".