79458816 has 120 divisors (see below), whose sum is σ = 226123920. Its totient is φ = 24788992.

The previous prime is 79458793. The next prime is 79458857. The reversal of 79458816 is 61885497.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 443815 + ... + 443993.

It is an arithmetic number, because the mean of its divisors is an integer number (1884366).

Almost surely, 2^79458816 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 79458816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113061960).

79458816 is an abundant number, since it is smaller than the sum of its proper divisors (146665104).

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

79458816 is a wasteful number, since it uses less digits than its factorization.

79458816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 201 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The square root of 79458816 is about 8913.9674668466. The cubic root of 79458816 is about 429.9131174743.

It can be divided in two parts, 7945 and 8816, that added together give a palindrome (16761).

The spelling of 79458816 in words is "seventy-nine million, four hundred fifty-eight thousand, eight hundred sixteen".