80805288 has 32 divisors (see below), whose sum is σ = 203232960. Its totient is φ = 26772480.

The previous prime is 80805259. The next prime is 80805289. The reversal of 80805288 is 88250808.

It is not an unprimeable number, because it can be changed into a prime (80805289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6073 + ... + 14088.

It is an arithmetic number, because the mean of its divisors is an integer number (6351030).

Almost surely, 2^80805288 is an apocalyptic number.

It is an amenable number.

80805288 is an abundant number, since it is smaller than the sum of its proper divisors (122427672).

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

80805288 is a wasteful number, since it uses less digits than its factorization.

80805288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20337 (or 20333 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 39.

The square root of 80805288 is about 8989.1761580247. The cubic root of 80805288 is about 432.3278974891.

The spelling of 80805288 in words is "eighty million, eight hundred five thousand, two hundred eighty-eight".