80889712 has 20 divisors (see below), whose sum is σ = 163538640. Its totient is φ = 38686208.

The previous prime is 80889709. The next prime is 80889727. The reversal of 80889712 is 21798808.

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, 109537 + ... + 110272.

It is an arithmetic number, because the mean of its divisors is an integer number (8176932).

Almost surely, 2^80889712 is an apocalyptic number.

It is an amenable number.

80889712 is an abundant number, since it is smaller than the sum of its proper divisors (82648928).

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

80889712 is a wasteful number, since it uses less digits than its factorization.

80889712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219840 (or 219834 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 43.

The square root of 80889712 is about 8993.8708018294. The cubic root of 80889712 is about 432.4784080459.

The spelling of 80889712 in words is "eighty million, eight hundred eighty-nine thousand, seven hundred twelve".