80936928 has 96 divisors (see below), whose sum is σ = 238442400. Its totient is φ = 26707968.

The previous prime is 80936927. The next prime is 80936951. The reversal of 80936928 is 82963908.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80936923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97218 + ... + 98046.

It is an arithmetic number, because the mean of its divisors is an integer number (2483775).

Almost surely, 2^80936928 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 80936928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119221200).

80936928 is an abundant number, since it is smaller than the sum of its proper divisors (157505472).

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

80936928 is a wasteful number, since it uses less digits than its factorization.

80936928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 80936928 is about 8996.4953176223. The cubic root of 80936928 is about 432.5625387642.

The spelling of 80936928 in words is "eighty million, nine hundred thirty-six thousand, nine hundred twenty-eight".