8559559968 has 48 divisors (see below), whose sum is σ = 22490133120. Its totient is φ = 2850483456.

The previous prime is 8559559951. The next prime is 8559559969. The reversal of 8559559968 is 8699559558.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×8559559968² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8559559969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60921 + ... + 144327.

It is an arithmetic number, because the mean of its divisors is an integer number (468544440).

Almost surely, 2^8559559968 is an apocalyptic number.

It is an amenable number.

8559559968 is an abundant number, since it is smaller than the sum of its proper divisors (13930573152).

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

8559559968 is a wasteful number, since it uses less digits than its factorization.

8559559968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84489 (or 84481 counting only the distinct ones).

The product of its digits is 174960000, while the sum is 69.

The square root of 8559559968 is about 92517.8899889097. The cubic root of 8559559968 is about 2045.5831908559.

The spelling of 8559559968 in words is "eight billion, five hundred fifty-nine million, five hundred fifty-nine thousand, nine hundred sixty-eight".