80580256 has 12 divisors (see below), whose sum is σ = 158642442. Its totient is φ = 40290112.

The previous prime is 80580223. The next prime is 80580259. The reversal of 80580256 is 65208508.

It can be written as a sum of positive squares in only one way, i.e., 69155856 + 11424400 = 8316^2 + 3380^2 .

It is not an unprimeable number, because it can be changed into a prime (80580259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1259035 + ... + 1259098.

Almost surely, 2^80580256 is an apocalyptic number.

It is an amenable number.

80580256 is a deficient number, since it is larger than the sum of its proper divisors (78062186).

80580256 is a wasteful number, since it uses less digits than its factorization.

80580256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518143 (or 2518135 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 80580256 is about 8976.6506003074. The cubic root of 80580256 is about 431.9261990984.

The spelling of 80580256 in words is "eighty million, five hundred eighty thousand, two hundred fifty-six".