80915716 has 24 divisors (see below), whose sum is σ = 171351936. Its totient is φ = 32638080.

The previous prime is 80915701. The next prime is 80915741. The reversal of 80915716 is 61751908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84520 + ... + 85471.

It is an arithmetic number, because the mean of its divisors is an integer number (7139664).

Almost surely, 2^80915716 is an apocalyptic number.

It is an amenable number.

80915716 is an abundant number, since it is smaller than the sum of its proper divisors (90436220).

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

80915716 is a wasteful number, since it uses less digits than its factorization.

80915716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170019 (or 170017 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 80915716 is about 8995.3163368500. The cubic root of 80915716 is about 432.5247467101.

The spelling of 80915716 in words is "eighty million, nine hundred fifteen thousand, seven hundred sixteen".