8556495688 has 48 divisors (see below), whose sum is σ = 17592595200. Its totient is φ = 3899113920.

The previous prime is 8556495677. The next prime is 8556495763. The reversal of 8556495688 is 8865946558.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66753 + ... + 146863.

It is an arithmetic number, because the mean of its divisors is an integer number (366512400).

Almost surely, 2^8556495688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8556495688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8796297600).

8556495688 is an abundant number, since it is smaller than the sum of its proper divisors (9036099512).

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

8556495688 is a wasteful number, since it uses less digits than its factorization.

8556495688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80222 (or 80205 counting only the distinct ones).

The product of its digits is 82944000, while the sum is 64.

The square root of 8556495688 is about 92501.3280337099. The cubic root of 8556495688 is about 2045.3390588432.

The spelling of 8556495688 in words is "eight billion, five hundred fifty-six million, four hundred ninety-five thousand, six hundred eighty-eight".