679364656404 has 48 divisors (see below), whose sum is σ = 1821760012800. Its totient is φ = 193019802336.

The previous prime is 679364656367. The next prime is 679364656441. The reversal of 679364656404 is 404656463976.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (679364656367) and next prime (679364656441).

It is a super-2 number, since 2×679364656404² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22576234 + ... + 22606305.

It is an arithmetic number, because the mean of its divisors is an integer number (37953333600).

Almost surely, 2^679364656404 is an apocalyptic number.

It is an amenable number.

679364656404 is an abundant number, since it is smaller than the sum of its proper divisors (1142395356396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

679364656404 is a wasteful number, since it uses less digits than its factorization.

679364656404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45182732 (or 45182730 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 60.

The spelling of 679364656404 in words is "six hundred seventy-nine billion, three hundred sixty-four million, six hundred fifty-six thousand, four hundred four".