79519968 has 120 divisors (see below), whose sum is σ = 255218040. Its totient is φ = 24088320.

The previous prime is 79519963. The next prime is 79520003. The reversal of 79519968 is 86991597.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79519961) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27118 + ... + 29906.

It is an arithmetic number, because the mean of its divisors is an integer number (2126817).

Almost surely, 2^79519968 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 79519968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127609020).

79519968 is an abundant number, since it is smaller than the sum of its proper divisors (175698072).

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

79519968 is a wasteful number, since it uses less digits than its factorization.

79519968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822 (or 2805 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 54.

The square root of 79519968 is about 8917.3969295978. The cubic root of 79519968 is about 430.0233771318.

The spelling of 79519968 in words is "seventy-nine million, five hundred nineteen thousand, nine hundred sixty-eight".