79317925564 has 6 divisors (see below), whose sum is σ = 138806369744. Its totient is φ = 39658962780.

The previous prime is 79317925493. The next prime is 79317925571. The reversal of 79317925564 is 46552971397.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 79317925499 and 79317925508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9914740692 + ... + 9914740699.

Almost surely, 2^79317925564 is an apocalyptic number.

It is an amenable number.

79317925564 is a deficient number, since it is larger than the sum of its proper divisors (59488444180).

79317925564 is a wasteful number, since it uses less digits than its factorization.

79317925564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19829481395 (or 19829481393 counting only the distinct ones).

The product of its digits is 14288400, while the sum is 58.

The spelling of 79317925564 in words is "seventy-nine billion, three hundred seventeen million, nine hundred twenty-five thousand, five hundred sixty-four".