79598583648 has 72 divisors (see below), whose sum is σ = 226681955136. Its totient is φ = 26494944000.

The previous prime is 79598583607. The next prime is 79598583677. The reversal of 79598583648 is 84638589597.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4753 + ... + 399023.

It is an arithmetic number, because the mean of its divisors is an integer number (3148360488).

Almost surely, 2^79598583648 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 79598583648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113340977568).

79598583648 is an abundant number, since it is smaller than the sum of its proper divisors (147083371488).

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

79598583648 is a wasteful number, since it uses less digits than its factorization.

79598583648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394988 (or 394977 counting only the distinct ones).

The product of its digits is 522547200, while the sum is 72.

The spelling of 79598583648 in words is "seventy-nine billion, five hundred ninety-eight million, five hundred eighty-three thousand, six hundred forty-eight".