79816608 has 72 divisors (see below), whose sum is σ = 228324096. Its totient is φ = 26448000.

The previous prime is 79816589. The next prime is 79816619. The reversal of 79816608 is 80661897.

It is a happy number.

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

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, 54283 + ... + 55733.

It is an arithmetic number, because the mean of its divisors is an integer number (3171168).

It is a vampire number, since it can be written as 8706 ⋅ 9168 (with its own digits).

Almost surely, 2^79816608 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 79816608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114162048).

79816608 is an abundant number, since it is smaller than the sum of its proper divisors (148507488).

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

79816608 is a wasteful number, since it uses less digits than its factorization.

79816608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 79816608 is about 8934.0141034140. The cubic root of 79816608 is about 430.5574310185.

The spelling of 79816608 in words is "seventy-nine million, eight hundred sixteen thousand, six hundred eight".