79652643984 has 135 divisors (see below), whose sum is σ = 231153643929. Its totient is φ = 25603724160.

The previous prime is 79652643977. The next prime is 79652643997. The reversal of 79652643984 is 48934625697.

The square root of 79652643984 is 282228.

It is a perfect power (a square), and thus also a powerful number.

79652643984 is a `hidden beast` number, since 79 + 6 + 52 + 6 + 439 + 84 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41767914384 + 37884729600 = 204372^2 + 194640^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 98214939 + ... + 98215749.

Almost surely, 2^79652643984 is an apocalyptic number.

79652643984 is the 282228-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79652643984

79652643984 is an abundant number, since it is smaller than the sum of its proper divisors (151500999945).

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

79652643984 is an equidigital number, since it uses as much as digits as its factorization.

79652643984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694 (or 845 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 63.

The spelling of 79652643984 in words is "seventy-nine billion, six hundred fifty-two million, six hundred forty-three thousand, nine hundred eighty-four".