80890002 has 20 divisors (see below), whose sum is σ = 181253886. Its totient is φ = 26963280.

The previous prime is 80889997. The next prime is 80890037. The reversal of 80890002 is 20009808.

It can be written as a sum of positive squares in only one way, i.e., 74494161 + 6395841 = 8631^2 + 2529^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 249499 + ... + 249822.

Almost surely, 2^80890002 is an apocalyptic number.

80890002 is an abundant number, since it is smaller than the sum of its proper divisors (100363884).

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

80890002 is a wasteful number, since it uses less digits than its factorization.

80890002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499335 (or 499326 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 80890002 is about 8993.8869239056. The cubic root of 80890002 is about 432.4789248755.

The spelling of 80890002 in words is "eighty million, eight hundred ninety thousand, two".