679631536 has 10 divisors (see below), whose sum is σ = 1316786132. Its totient is φ = 339815760.

The previous prime is 679631489. The next prime is 679631543. The reversal of 679631536 is 635136976.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21238470 + ... + 21238501.

Almost surely, 2^679631536 is an apocalyptic number.

It is an amenable number.

679631536 is a deficient number, since it is larger than the sum of its proper divisors (637154596).

679631536 is a wasteful number, since it uses less digits than its factorization.

679631536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42476979 (or 42476973 counting only the distinct ones).

The product of its digits is 612360, while the sum is 46.

The square root of 679631536 is about 26069.7436888052. The cubic root of 679631536 is about 879.2070750048.

The spelling of 679631536 in words is "six hundred seventy-nine million, six hundred thirty-one thousand, five hundred thirty-six".