80291320 has 32 divisors (see below), whose sum is σ = 184860720. Its totient is φ = 31368960.

The previous prime is 80291317. The next prime is 80291339. The reversal of 80291320 is 2319208.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 21621 + ... + 25060.

Almost surely, 2^80291320 is an apocalyptic number.

It is an amenable number.

80291320 is an abundant number, since it is smaller than the sum of its proper divisors (104569400).

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

80291320 is a wasteful number, since it uses less digits than its factorization.

80291320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46735 (or 46731 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 80291320 is about 8960.5423942973. The cubic root of 80291320 is about 431.4093293508.

The spelling of 80291320 in words is "eighty million, two hundred ninety-one thousand, three hundred twenty".