80881092 has 42 divisors (see below), whose sum is σ = 212223438. Its totient is φ = 26959392.

The previous prime is 80881079. The next prime is 80881111. The reversal of 80881092 is 29018808.

It can be written as a sum of positive squares in only one way, i.e., 78428736 + 2452356 = 8856^2 + 1566^2 .

It is a super-2 number, since 2×80881092² = 13083502086224928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 13 ways as a sum of consecutive naturals, for example, 10953 + ... + 16784.

It is an arithmetic number, because the mean of its divisors is an integer number (5052939).

Almost surely, 2^80881092 is an apocalyptic number.

It is an amenable number.

80881092 is an abundant number, since it is smaller than the sum of its proper divisors (131342346).

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

80881092 is a wasteful number, since it uses less digits than its factorization.

80881092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27759 (or 27742 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 80881092 is about 8993.3915738169. The cubic root of 80881092 is about 432.4630451680.

It can be divided in two parts, 8088 and 1092, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 80881092 in words is "eighty million, eight hundred eighty-one thousand, ninety-two".