79988128 has 48 divisors (see below), whose sum is σ = 181911744. Its totient is φ = 34216960.

The previous prime is 79988123. The next prime is 79988137. The reversal of 79988128 is 82188997.

It is not an unprimeable number, because it can be changed into a prime (79988123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700 + ... + 12667.

It is an arithmetic number, because the mean of its divisors is an integer number (3789828).

Almost surely, 2^79988128 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 79988128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90955872).

79988128 is an abundant number, since it is smaller than the sum of its proper divisors (101923616).

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

79988128 is a wasteful number, since it uses less digits than its factorization.

79988128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13405 (or 13397 counting only the distinct ones).

The product of its digits is 580608, while the sum is 52.

The square root of 79988128 is about 8943.6082203996. The cubic root of 79988128 is about 430.8656224114.

The spelling of 79988128 in words is "seventy-nine million, nine hundred eighty-eight thousand, one hundred twenty-eight".