80898188 has 12 divisors (see below), whose sum is σ = 161796432. Its totient is φ = 34670640.

The previous prime is 80898187. The next prime is 80898217. The reversal of 80898188 is 88189808.

80898188 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (80898187) by changing a digit.

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, 1444583 + ... + 1444638.

It is an arithmetic number, because the mean of its divisors is an integer number (13483036).

Almost surely, 2^80898188 is an apocalyptic number.

It is an amenable number.

80898188 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80898188 is a wasteful number, since it uses less digits than its factorization.

80898188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889232 (or 2889230 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 50.

The square root of 80898188 is about 8994.3419992793. The cubic root of 80898188 is about 432.4935132176.

The spelling of 80898188 in words is "eighty million, eight hundred ninety-eight thousand, one hundred eighty-eight".