79928448 has 32 divisors (see below), whose sum is σ = 212310960. Its totient is φ = 26642688.

The previous prime is 79928423. The next prime is 79928461. The reversal of 79928448 is 84482997.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 79928448.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103690 + ... + 104457.

Almost surely, 2^79928448 is an apocalyptic number.

It is an amenable number.

79928448 is an abundant number, since it is smaller than the sum of its proper divisors (132382512).

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

79928448 is a wasteful number, since it uses less digits than its factorization.

79928448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208164 (or 208152 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 79928448 is about 8940.2711368280. The cubic root of 79928448 is about 430.7584379295.

The spelling of 79928448 in words is "seventy-nine million, nine hundred twenty-eight thousand, four hundred forty-eight".