80792872 has 16 divisors (see below), whose sum is σ = 155010240. Its totient is φ = 39456816.

The previous prime is 80792863. The next prime is 80792893. The reversal of 80792872 is 27829708.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

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, 117088 + ... + 117775.

It is an arithmetic number, because the mean of its divisors is an integer number (9688140).

Almost surely, 2^80792872 is an apocalyptic number.

It is an amenable number.

80792872 is a deficient number, since it is larger than the sum of its proper divisors (74217368).

80792872 is a wasteful number, since it uses less digits than its factorization.

80792872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234912 (or 234908 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 80792872 is about 8988.4855231568. The cubic root of 80792872 is about 432.3057534840.

The spelling of 80792872 in words is "eighty million, seven hundred ninety-two thousand, eight hundred seventy-two".