80531363808 has 480 divisors, whose sum is σ = 288625075200. Its totient is φ = 21514761216.

The previous prime is 80531363761. The next prime is 80531363813. The reversal of 80531363808 is 80836313508.

80531363808 is a `hidden beast` number, since 8 + 0 + 5 + 3 + 1 + 3 + 638 + 0 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 27232666 + ... + 27235622.

It is an arithmetic number, because the mean of its divisors is an integer number (601302240).

Almost surely, 2^80531363808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80531363808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144312537600).

80531363808 is an abundant number, since it is smaller than the sum of its proper divisors (208093711392).

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

80531363808 is a wasteful number, since it uses less digits than its factorization.

80531363808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084 (or 3067 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 80531363808 in words is "eighty billion, five hundred thirty-one million, three hundred sixty-three thousand, eight hundred eight".