8557013856 has 24 divisors (see below), whose sum is σ = 22462161624. Its totient is φ = 2852337920.

The previous prime is 8557013851. The next prime is 8557013873. The reversal of 8557013856 is 6583107558.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×8557013856² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8557013851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44567685 + ... + 44567876.

It is an arithmetic number, because the mean of its divisors is an integer number (935923401).

Almost surely, 2^8557013856 is an apocalyptic number.

It is an amenable number.

8557013856 is an abundant number, since it is smaller than the sum of its proper divisors (13905147768).

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

8557013856 is a wasteful number, since it uses less digits than its factorization.

8557013856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89135574 (or 89135566 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 48.

The square root of 8557013856 is about 92504.1288592028. The cubic root of 8557013856 is about 2045.3803455215.

The spelling of 8557013856 in words is "eight billion, five hundred fifty-seven million, thirteen thousand, eight hundred fifty-six".