8539268857 has 48 divisors (see below), whose sum is σ = 11015792640. Its totient is φ = 6568908192.

The previous prime is 8539268797. The next prime is 8539268867. The reversal of 8539268857 is 7588629358.

It is not a de Polignac number, because 8539268857 - 2²³ = 8530880249 is a prime.

It is a super-2 number, since 2×8539268857² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8539268795 and 8539268804.

It is not an unprimeable number, because it can be changed into a prime (8539268867) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2289328 + ... + 2293054.

It is an arithmetic number, because the mean of its divisors is an integer number (229495680).

Almost surely, 2^8539268857 is an apocalyptic number.

It is an amenable number.

8539268857 is a deficient number, since it is larger than the sum of its proper divisors (2476523783).

8539268857 is a wasteful number, since it uses less digits than its factorization.

8539268857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890 (or 3883 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 61.

The square root of 8539268857 is about 92408.1644499013. The cubic root of 8539268857 is about 2043.9655065487.

The spelling of 8539268857 in words is "eight billion, five hundred thirty-nine million, two hundred sixty-eight thousand, eight hundred fifty-seven".