80318992 has 20 divisors (see below), whose sum is σ = 167589100. Its totient is φ = 37070208.

The previous prime is 80318989. The next prime is 80319037. The reversal of 80318992 is 29981308.

It can be written as a sum of positive squares in 2 ways, for example, as 47554816 + 32764176 = 6896^2 + 5724^2 .

It is a super-2 number, since 2×80318992² = 12902280951792128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192867 + ... + 193282.

It is an arithmetic number, because the mean of its divisors is an integer number (8379455).

Almost surely, 2^80318992 is an apocalyptic number.

It is an amenable number.

80318992 is an abundant number, since it is smaller than the sum of its proper divisors (87270108).

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

80318992 is a wasteful number, since it uses less digits than its factorization.

80318992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386170 (or 386164 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 80318992 is about 8962.0863642346. The cubic root of 80318992 is about 431.4588846775.

The spelling of 80318992 in words is "eighty million, three hundred eighteen thousand, nine hundred ninety-two".