79118532864 has 432 divisors, whose sum is σ = 275704531200. Its totient is φ = 22311604224.

The previous prime is 79118532841. The next prime is 79118532877. The reversal of 79118532864 is 46823581197.

79118532864 is a `hidden beast` number, since 7 + 91 + 18 + 532 + 8 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 79118532864.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26754874 + ... + 26757830.

Almost surely, 2^79118532864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79118532864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137852265600).

79118532864 is an abundant number, since it is smaller than the sum of its proper divisors (196585998336).

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

79118532864 is a wasteful number, since it uses less digits than its factorization.

79118532864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075 (or 3048 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The spelling of 79118532864 in words is "seventy-nine billion, one hundred eighteen million, five hundred thirty-two thousand, eight hundred sixty-four".