80985968 has 20 divisors (see below), whose sum is σ = 179326320. Its totient is φ = 34708224.

The previous prime is 80985953. The next prime is 80985973. The reversal of 80985968 is 86958908.

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, 361433 + ... + 361656.

It is an arithmetic number, because the mean of its divisors is an integer number (8966316).

Almost surely, 2^80985968 is an apocalyptic number.

It is an amenable number.

80985968 is an abundant number, since it is smaller than the sum of its proper divisors (98340352).

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

80985968 is a wasteful number, since it uses less digits than its factorization.

80985968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723104 (or 723098 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 53.

The square root of 80985968 is about 8999.2204106800. The cubic root of 80985968 is about 432.6498849012.

The spelling of 80985968 in words is "eighty million, nine hundred eighty-five thousand, nine hundred sixty-eight".