80768520 has 96 divisors (see below), whose sum is σ = 300006720. Its totient is φ = 18460800.

The previous prime is 80768507. The next prime is 80768539. The reversal of 80768520 is 2586708.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13506 + ... + 18545.

It is an arithmetic number, because the mean of its divisors is an integer number (3125070).

Almost surely, 2^80768520 is an apocalyptic number.

It is an amenable number.

80768520 is an abundant number, since it is smaller than the sum of its proper divisors (219238200).

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

80768520 is a wasteful number, since it uses less digits than its factorization.

80768520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32075 (or 32068 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 80768520 is about 8987.1307990927. The cubic root of 80768520 is about 432.2623149672.

The spelling of 80768520 in words is "eighty million, seven hundred sixty-eight thousand, five hundred twenty".