79814656 has 28 divisors (see below), whose sum is σ = 159635952. Its totient is φ = 39903232.

The previous prime is 79814627. The next prime is 79814663. The reversal of 79814656 is 65641897.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3321 + ... + 13063.

It is an arithmetic number, because the mean of its divisors is an integer number (5701284).

Almost surely, 2^79814656 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 79814656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79817976).

79814656 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

79814656 is an frugal number, since it uses more digits than its factorization.

79814656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9769 (or 9745 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 79814656 is about 8933.9048573398. The cubic root of 79814656 is about 430.5539210766.

The spelling of 79814656 in words is "seventy-nine million, eight hundred fourteen thousand, six hundred fifty-six".