80854872 has 64 divisors (see below), whose sum is σ = 232377600. Its totient is φ = 22965120.

The previous prime is 80854847. The next prime is 80854883. The reversal of 80854872 is 27845808.

It is a super-2 number, since 2×80854872² = 13075020652272768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29079 + ... + 31737.

It is an arithmetic number, because the mean of its divisors is an integer number (3630900).

Almost surely, 2^80854872 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 80854872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116188800).

80854872 is an abundant number, since it is smaller than the sum of its proper divisors (151522728).

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

80854872 is a wasteful number, since it uses less digits than its factorization.

80854872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856 (or 2852 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 80854872 is about 8991.9337186169. The cubic root of 80854872 is about 432.4163082183.

The spelling of 80854872 in words is "eighty million, eight hundred fifty-four thousand, eight hundred seventy-two".