80928388 has 12 divisors (see below), whose sum is σ = 142344972. Its totient is φ = 40258400.

The previous prime is 80928377. The next prime is 80928431. The reversal of 80928388 is 88382908.

It can be written as a sum of positive squares in 2 ways, for example, as 67371264 + 13557124 = 8208^2 + 3682^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50563 + ... + 52138.

It is an arithmetic number, because the mean of its divisors is an integer number (11862081).

Almost surely, 2^80928388 is an apocalyptic number.

It is an amenable number.

80928388 is a deficient number, since it is larger than the sum of its proper divisors (61416584).

80928388 is a wasteful number, since it uses less digits than its factorization.

80928388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102902 (or 102900 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 80928388 is about 8996.0206758322. The cubic root of 80928388 is about 432.5473243904.

The spelling of 80928388 in words is "eighty million, nine hundred twenty-eight thousand, three hundred eighty-eight".