79928896 has 28 divisors (see below), whose sum is σ = 166959280. Its totient is φ = 37860480.

The previous prime is 79928879. The next prime is 79928897. The reversal of 79928896 is 69882997.

It is a self number, because there is not a number n which added to its sum of digits gives 79928896.

It is not an unprimeable number, because it can be changed into a prime (79928897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31650 + ... + 34081.

Almost surely, 2^79928896 is an apocalyptic number.

79928896 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

79928896 is an abundant number, since it is smaller than the sum of its proper divisors (87030384).

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

79928896 is a wasteful number, since it uses less digits than its factorization.

79928896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65762 (or 65752 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 58.

The square root of 79928896 is about 8940.2961919614. The cubic root of 79928896 is about 430.7592427302.

The spelling of 79928896 in words is "seventy-nine million, nine hundred twenty-eight thousand, eight hundred ninety-six".