80570256 has 40 divisors (see below), whose sum is σ = 224152320. Its totient is φ = 24790656.

The previous prime is 80570249. The next prime is 80570291. The reversal of 80570256 is 65207508.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63936 + ... + 65183.

It is an arithmetic number, because the mean of its divisors is an integer number (5603808).

Almost surely, 2^80570256 is an apocalyptic number.

It is an amenable number.

80570256 is an abundant number, since it is smaller than the sum of its proper divisors (143582064).

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

80570256 is a wasteful number, since it uses less digits than its factorization.

80570256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129143 (or 129137 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 80570256 is about 8976.0935823999. The cubic root of 80570256 is about 431.9083310296.

The spelling of 80570256 in words is "eighty million, five hundred seventy thousand, two hundred fifty-six".