8857652859 has 20 divisors (see below), whose sum is σ = 14434695000. Its totient is φ = 5368273920.

The previous prime is 8857652849. The next prime is 8857652863. The reversal of 8857652859 is 9582567588.

8857652859 is a `hidden beast` number, since 8 + 8 + 57 + 6 + 528 + 59 = 666.

It is not a de Polignac number, because 8857652859 - 2⁹ = 8857652347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8857652796 and 8857652805.

It is not an unprimeable number, because it can be changed into a prime (8857652849) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4969734 + ... + 4971515.

It is an arithmetic number, because the mean of its divisors is an integer number (721734750).

Almost surely, 2^8857652859 is an apocalyptic number.

8857652859 is a deficient number, since it is larger than the sum of its proper divisors (5577042141).

8857652859 is a wasteful number, since it uses less digits than its factorization.

8857652859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9941272 (or 9941263 counting only the distinct ones).

The product of its digits is 48384000, while the sum is 63.

The square root of 8857652859 is about 94115.1043085009. The cubic root of 8857652859 is about 2069.0590493417.

The spelling of 8857652859 in words is "eight billion, eight hundred fifty-seven million, six hundred fifty-two thousand, eight hundred fifty-nine".