80328872 has 16 divisors (see below), whose sum is σ = 162202740. Its totient is φ = 37074816.

The previous prime is 80328863. The next prime is 80328923. The reversal of 80328872 is 27882308.

It can be written as a sum of positive squares in 2 ways, for example, as 79316836 + 1012036 = 8906^2 + 1006^2 .

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, 386093 + ... + 386300.

Almost surely, 2^80328872 is an apocalyptic number.

It is an amenable number.

80328872 is an abundant number, since it is smaller than the sum of its proper divisors (81873868).

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

80328872 is a wasteful number, since it uses less digits than its factorization.

80328872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772412 (or 772408 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 80328872 is about 8962.6375582191. The cubic root of 80328872 is about 431.4765751344.

Subtracting from 80328872 its reverse (27882308), we obtain a square (52446564 = 7242²).

The spelling of 80328872 in words is "eighty million, three hundred twenty-eight thousand, eight hundred seventy-two".