80580685 has 16 divisors (see below), whose sum is σ = 98498736. Its totient is φ = 63272448.

The previous prime is 80580679. The next prime is 80580719. The reversal of 80580685 is 58608508.

It can be written as a sum of positive squares in 8 ways, for example, as 3948169 + 76632516 = 1987^2 + 8754^2 .

It is a cyclic number.

It is not a de Polignac number, because 80580685 - 2⁷ = 80580557 is a prime.

It is a Duffinian number.

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, 100707 + ... + 101503.

It is an arithmetic number, because the mean of its divisors is an integer number (6156171).

Almost surely, 2^80580685 is an apocalyptic number.

It is an amenable number.

80580685 is a deficient number, since it is larger than the sum of its proper divisors (17918051).

80580685 is a wasteful number, since it uses less digits than its factorization.

80580685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152.

The product of its (nonzero) digits is 76800, while the sum is 40.

The square root of 80580685 is about 8976.6744956025. The cubic root of 80580685 is about 431.9269656055.

The spelling of 80580685 in words is "eighty million, five hundred eighty thousand, six hundred eighty-five".