79625589888 has 128 divisors (see below), whose sum is σ = 227898175680. Its totient is φ = 24486948864.

The previous prime is 79625589847. The next prime is 79625589907. The reversal of 79625589888 is 88898552697.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13440495 + ... + 13446417.

Almost surely, 2^79625589888 is an apocalyptic number.

79625589888 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79625589888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113949087840).

79625589888 is an abundant number, since it is smaller than the sum of its proper divisors (148272585792).

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

79625589888 is a wasteful number, since it uses less digits than its factorization.

79625589888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8646 (or 8634 counting only the distinct ones).

The product of its digits is 696729600, while the sum is 75.

The spelling of 79625589888 in words is "seventy-nine billion, six hundred twenty-five million, five hundred eighty-nine thousand, eight hundred eighty-eight".