80718568 has 32 divisors (see below), whose sum is σ = 176996160. Its totient is φ = 33788160.

The previous prime is 80718563. The next prime is 80718581. The reversal of 80718568 is 86581708.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (80718563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14353 + ... + 19168.

It is an arithmetic number, because the mean of its divisors is an integer number (5531130).

Almost surely, 2^80718568 is an apocalyptic number.

It is an amenable number.

80718568 is an abundant number, since it is smaller than the sum of its proper divisors (96277592).

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

80718568 is a wasteful number, since it uses less digits than its factorization.

80718568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33577 (or 33573 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 43.

The square root of 80718568 is about 8984.3512843165. The cubic root of 80718568 is about 432.1731844494.

The spelling of 80718568 in words is "eighty million, seven hundred eighteen thousand, five hundred sixty-eight".