679496715 has 64 divisors (see below), whose sum is σ = 1346457600. Its totient is φ = 323108352.

The previous prime is 679496693. The next prime is 679496723. The reversal of 679496715 is 517694976.

It is not a de Polignac number, because 679496715 - 2⁹ = 679496203 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35814 + ... + 51396.

It is an arithmetic number, because the mean of its divisors is an integer number (21038400).

Almost surely, 2^679496715 is an apocalyptic number.

679496715 is a deficient number, since it is larger than the sum of its proper divisors (666960885).

679496715 is a wasteful number, since it uses less digits than its factorization.

679496715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15633 (or 15627 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 679496715 is about 26067.1577852285. The cubic root of 679496715 is about 879.1489339829.

The spelling of 679496715 in words is "six hundred seventy-nine million, four hundred ninety-six thousand, seven hundred fifteen".