80990912 has 28 divisors (see below), whose sum is σ = 167707056. Its totient is φ = 38734080.

The previous prime is 80990909. The next prime is 80990927. The reversal of 80990912 is 21909908.

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, 26039 + ... + 28982.

Almost surely, 2^80990912 is an apocalyptic number.

It is an amenable number.

80990912 is an abundant number, since it is smaller than the sum of its proper divisors (86716144).

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

80990912 is a wasteful number, since it uses less digits than its factorization.

80990912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55056 (or 55046 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 80990912 is about 8999.4950969485. The cubic root of 80990912 is about 432.6586888029.

The spelling of 80990912 in words is "eighty million, nine hundred ninety thousand, nine hundred twelve".