80890722 has 24 divisors (see below), whose sum is σ = 191196720. Its totient is φ = 24512280.

The previous prime is 80890717. The next prime is 80890723. The reversal of 80890722 is 22709808.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (80890723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204072 + ... + 204467.

It is an arithmetic number, because the mean of its divisors is an integer number (7966530).

Almost surely, 2^80890722 is an apocalyptic number.

80890722 is an abundant number, since it is smaller than the sum of its proper divisors (110305998).

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

80890722 is a wasteful number, since it uses less digits than its factorization.

80890722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408558 (or 408555 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 80890722 is about 8993.9269510042. The cubic root of 80890722 is about 432.4802080332.

The spelling of 80890722 in words is "eighty million, eight hundred ninety thousand, seven hundred twenty-two".