8559241866 has 128 divisors (see below), whose sum is σ = 23051520000. Its totient is φ = 2299612032.

The previous prime is 8559241853. The next prime is 8559241883. The reversal of 8559241866 is 6681429558.

8559241866 is a `hidden beast` number, since 8 + 5 + 592 + 41 + 8 + 6 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 979585 + ... + 988283.

It is an arithmetic number, because the mean of its divisors is an integer number (180090000).

Almost surely, 2^8559241866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8559241866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11525760000).

8559241866 is an abundant number, since it is smaller than the sum of its proper divisors (14492278134).

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

8559241866 is a wasteful number, since it uses less digits than its factorization.

8559241866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8873 (or 8867 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The square root of 8559241866 is about 92516.1708351572. The cubic root of 8559241866 is about 2045.5578502945.

The spelling of 8559241866 in words is "eight billion, five hundred fifty-nine million, two hundred forty-one thousand, eight hundred sixty-six".