679784524 has 12 divisors (see below), whose sum is σ = 1190385504. Its totient is φ = 339674384.

The previous prime is 679784509. The next prime is 679784533. The reversal of 679784524 is 425487976.

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, 47347 + ... + 60010.

It is an arithmetic number, because the mean of its divisors is an integer number (99198792).

Almost surely, 2^679784524 is an apocalyptic number.

It is an amenable number.

679784524 is a deficient number, since it is larger than the sum of its proper divisors (510600980).

679784524 is a wasteful number, since it uses less digits than its factorization.

679784524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108944 (or 108942 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 52.

The square root of 679784524 is about 26072.6777297615. The cubic root of 679784524 is about 879.2730411612.

The spelling of 679784524 in words is "six hundred seventy-nine million, seven hundred eighty-four thousand, five hundred twenty-four".