80911244 has 12 divisors (see below), whose sum is σ = 142464504. Its totient is φ = 40207104.

The previous prime is 80911219. The next prime is 80911261. The reversal of 80911244 is 44211908.

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 3 ways as a sum of consecutive naturals, for example, 61397 + ... + 62700.

It is an arithmetic number, because the mean of its divisors is an integer number (11872042).

Almost surely, 2^80911244 is an apocalyptic number.

It is an amenable number.

80911244 is a deficient number, since it is larger than the sum of its proper divisors (61553260).

80911244 is a wasteful number, since it uses less digits than its factorization.

80911244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124264 (or 124262 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 80911244 is about 8995.0677596114. The cubic root of 80911244 is about 432.5167783928.

The spelling of 80911244 in words is "eighty million, nine hundred eleven thousand, two hundred forty-four".