79773514564 has 12 divisors (see below), whose sum is σ = 139606501888. Its totient is φ = 39885942600.

The previous prime is 79773514531. The next prime is 79773514631. The reversal of 79773514564 is 46541537797.

It is a happy number.

It is a super-2 number, since 2×79773514564² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79773514499 and 79773514508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52429 + ... + 402859.

Almost surely, 2^79773514564 is an apocalyptic number.

It is an amenable number.

79773514564 is a deficient number, since it is larger than the sum of its proper divisors (59832987324).

79773514564 is a wasteful number, since it uses less digits than its factorization.

79773514564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407346 (or 407344 counting only the distinct ones).

The product of its digits is 22226400, while the sum is 58.

The spelling of 79773514564 in words is "seventy-nine billion, seven hundred seventy-three million, five hundred fourteen thousand, five hundred sixty-four".