79712862664 has 32 divisors (see below), whose sum is σ = 152407045440. Its totient is φ = 39078648000.

The previous prime is 79712862659. The next prime is 79712862667. The reversal of 79712862664 is 46626821797.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 79712862599 and 79712862608.

It is not an unprimeable number, because it can be changed into a prime (79712862667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395682 + ... + 562129.

It is an arithmetic number, because the mean of its divisors is an integer number (4762720170).

Almost surely, 2^79712862664 is an apocalyptic number.

It is an amenable number.

79712862664 is a deficient number, since it is larger than the sum of its proper divisors (72694182776).

79712862664 is a wasteful number, since it uses less digits than its factorization.

79712862664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958021 (or 958017 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 58.

The spelling of 79712862664 in words is "seventy-nine billion, seven hundred twelve million, eight hundred sixty-two thousand, six hundred sixty-four".