80580528 has 80 divisors (see below), whose sum is σ = 264348160. Its totient is φ = 23022144.

The previous prime is 80580503. The next prime is 80580557. The reversal of 80580528 is 82508508.

80580528 is a `hidden beast` number, since 80 + 58 + 0 + 528 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 80580492 and 80580501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10300 + ... + 16347.

It is an arithmetic number, because the mean of its divisors is an integer number (3304352).

Almost surely, 2^80580528 is an apocalyptic number.

It is an amenable number.

80580528 is an abundant number, since it is smaller than the sum of its proper divisors (183767632).

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

80580528 is a wasteful number, since it uses less digits than its factorization.

80580528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26671 (or 26659 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 80580528 is about 8976.6657507117. The cubic root of 80580528 is about 431.9266850893.

The spelling of 80580528 in words is "eighty million, five hundred eighty thousand, five hundred twenty-eight".