80117988 has 24 divisors (see below), whose sum is σ = 190112160. Its totient is φ = 26253120.

The previous prime is 80117969. The next prime is 80118001. The reversal of 80117988 is 88971108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55873 + ... + 57288.

It is an arithmetic number, because the mean of its divisors is an integer number (7921340).

Almost surely, 2^80117988 is an apocalyptic number.

It is an amenable number.

80117988 is an abundant number, since it is smaller than the sum of its proper divisors (109994172).

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

80117988 is a wasteful number, since it uses less digits than its factorization.

80117988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113227 (or 113225 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 42.

The square root of 80117988 is about 8950.8652095761. The cubic root of 80117988 is about 431.0986651520.

The spelling of 80117988 in words is "eighty million, one hundred seventeen thousand, nine hundred eighty-eight".