80615912 has 16 divisors (see below), whose sum is σ = 162782340. Its totient is φ = 37207296.

The previous prime is 80615891. The next prime is 80615923. The reversal of 80615912 is 21951608.

It can be written as a sum of positive squares in 2 ways, for example, as 76983076 + 3632836 = 8774^2 + 1906^2 .

It is a zygodrome in base 12.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387473 + ... + 387680.

Almost surely, 2^80615912 is an apocalyptic number.

It is an amenable number.

80615912 is an abundant number, since it is smaller than the sum of its proper divisors (82166428).

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

80615912 is a wasteful number, since it uses less digits than its factorization.

80615912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775172 (or 775168 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 80615912 is about 8978.6364220855. The cubic root of 80615912 is about 431.9898974546.

The spelling of 80615912 in words is "eighty million, six hundred fifteen thousand, nine hundred twelve".