8539268856 has 64 divisors (see below), whose sum is σ = 21460010880. Its totient is φ = 2831552640.

The previous prime is 8539268797. The next prime is 8539268867. The reversal of 8539268856 is 6588629358.

It is a super-2 number, since 2×8539268856² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8539268856.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5576811 + ... + 5578341.

It is an arithmetic number, because the mean of its divisors is an integer number (335312670).

Almost surely, 2^8539268856 is an apocalyptic number.

It is an amenable number.

8539268856 is an abundant number, since it is smaller than the sum of its proper divisors (12920742024).

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

8539268856 is a wasteful number, since it uses less digits than its factorization.

8539268856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604 (or 2600 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 60.

The square root of 8539268856 is about 92408.1644444905. The cubic root of 8539268856 is about 2043.9655064689.

The spelling of 8539268856 in words is "eight billion, five hundred thirty-nine million, two hundred sixty-eight thousand, eight hundred fifty-six".