80292990 has 16 divisors (see below), whose sum is σ = 192703248. Its totient is φ = 21411456.

The previous prime is 80292983. The next prime is 80292991. The reversal of 80292990 is 9929208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80292991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1338187 + ... + 1338246.

It is an arithmetic number, because the mean of its divisors is an integer number (12043953).

Almost surely, 2^80292990 is an apocalyptic number.

80292990 is an abundant number, since it is smaller than the sum of its proper divisors (112410258).

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

80292990 is a wasteful number, since it uses less digits than its factorization.

80292990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676443.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 80292990 is about 8960.6355801360. The cubic root of 80292990 is about 431.4123203283.

The spelling of 80292990 in words is "eighty million, two hundred ninety-two thousand, nine hundred ninety".