8256757028 has 24 divisors (see below), whose sum is σ = 16237370688. Its totient is φ = 3645122976.

The previous prime is 8256757027. The next prime is 8256757043. The reversal of 8256757028 is 8207576528.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8256757027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3450626 + ... + 3453017.

It is an arithmetic number, because the mean of its divisors is an integer number (676557112).

Almost surely, 2^8256757028 is an apocalyptic number.

It is an amenable number.

8256757028 is a deficient number, since it is larger than the sum of its proper divisors (7980613660).

8256757028 is a wasteful number, since it uses less digits than its factorization.

8256757028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6903683 (or 6903681 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 50.

The square root of 8256757028 is about 90866.6992247435. The cubic root of 8256757028 is about 2021.1715117315.

The spelling of 8256757028 in words is "eight billion, two hundred fifty-six million, seven hundred fifty-seven thousand, twenty-eight".