80995712 has 32 divisors (see below), whose sum is σ = 184411920. Its totient is φ = 34712064.

The previous prime is 80995709. The next prime is 80995723. The reversal of 80995712 is 21759908.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 80995712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44303 + ... + 46094.

Almost surely, 2^80995712 is an apocalyptic number.

It is an amenable number.

80995712 is an abundant number, since it is smaller than the sum of its proper divisors (103416208).

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

80995712 is an equidigital number, since it uses as much as digits as its factorization.

80995712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90418 (or 90406 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 80995712 is about 8999.7617746249. The cubic root of 80995712 is about 432.6672359375.

The spelling of 80995712 in words is "eighty million, nine hundred ninety-five thousand, seven hundred twelve".