80955880 has 32 divisors (see below), whose sum is σ = 188029440. Its totient is φ = 31337280.

The previous prime is 80955877. The next prime is 80955881. The reversal of 80955880 is 8855908.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (80955881) by changing a digit.

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, 31404 + ... + 33883.

It is an arithmetic number, because the mean of its divisors is an integer number (5875920).

Almost surely, 2^80955880 is an apocalyptic number.

It is an amenable number.

80955880 is an abundant number, since it is smaller than the sum of its proper divisors (107073560).

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

80955880 is a wasteful number, since it uses less digits than its factorization.

80955880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65329 (or 65325 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 43.

The square root of 80955880 is about 8997.5485550232. The cubic root of 80955880 is about 432.5962987369.

The spelling of 80955880 in words is "eighty million, nine hundred fifty-five thousand, eight hundred eighty".