80316990 has 96 divisors (see below), whose sum is σ = 236789280. Its totient is φ = 18724608.

The previous prime is 80316953. The next prime is 80317007. The reversal of 80316990 is 9961308.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20424 + ... + 24036.

It is an arithmetic number, because the mean of its divisors is an integer number (2466555).

Almost surely, 2^80316990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80316990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118394640).

80316990 is an abundant number, since it is smaller than the sum of its proper divisors (156472290).

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

80316990 is a wasteful number, since it uses less digits than its factorization.

80316990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658 (or 3655 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 80316990 is about 8961.9746707966. The cubic root of 80316990 is about 431.4552998555.

The spelling of 80316990 in words is "eighty million, three hundred sixteen thousand, nine hundred ninety".