8556885866 has 8 divisors (see below), whose sum is σ = 13510872480. Its totient is φ = 4053261708.

The previous prime is 8556885863. The next prime is 8556885907. The reversal of 8556885866 is 6685886558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (8556885863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112590566 + ... + 112590641.

It is an arithmetic number, because the mean of its divisors is an integer number (1688859060).

Almost surely, 2^8556885866 is an apocalyptic number.

8556885866 is a deficient number, since it is larger than the sum of its proper divisors (4953986614).

8556885866 is a wasteful number, since it uses less digits than its factorization.

8556885866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225181228.

The product of its digits is 110592000, while the sum is 65.

The square root of 8556885866 is about 92503.4370496578. The cubic root of 8556885866 is about 2045.3701476675.

The spelling of 8556885866 in words is "eight billion, five hundred fifty-six million, eight hundred eighty-five thousand, eight hundred sixty-six".