79311888 has 120 divisors (see below), whose sum is σ = 232643840. Its totient is φ = 25194240.

The previous prime is 79311887. The next prime is 79311901. The reversal of 79311888 is 88811397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79311887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 486495 + ... + 486657.

Almost surely, 2^79311888 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 79311888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116321920).

79311888 is an abundant number, since it is smaller than the sum of its proper divisors (153331952).

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

79311888 is a wasteful number, since it uses less digits than its factorization.

79311888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 308 counting only the distinct ones).

The product of its digits is 96768, while the sum is 45.

The square root of 79311888 is about 8905.7222054138. The cubic root of 79311888 is about 429.6479685937.

The spelling of 79311888 in words is "seventy-nine million, three hundred eleven thousand, eight hundred eighty-eight".