80872944 has 40 divisors (see below), whose sum is σ = 221213520. Its totient is φ = 25371648.

The previous prime is 80872943. The next prime is 80872973. The reversal of 80872944 is 44927808.

It is a junction number, because it is equal to n+sod(n) for n = 80872896 and 80872905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80872943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48739 + ... + 50370.

It is an arithmetic number, because the mean of its divisors is an integer number (5530338).

Almost surely, 2^80872944 is an apocalyptic number.

It is an amenable number.

80872944 is an abundant number, since it is smaller than the sum of its proper divisors (140340576).

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

80872944 is a wasteful number, since it uses less digits than its factorization.

80872944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99137 (or 99131 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 80872944 is about 8992.9385631172. The cubic root of 80872944 is about 432.4485225021.

The spelling of 80872944 in words is "eighty million, eight hundred seventy-two thousand, nine hundred forty-four".