8566848864 has 72 divisors (see below), whose sum is σ = 27842265360. Its totient is φ = 2447670528.

The previous prime is 8566848863. The next prime is 8566848869. The reversal of 8566848864 is 4688486658.

8566848864 is a `hidden beast` number, since 8 + 566 + 8 + 4 + 8 + 8 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8566848863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2122699 + ... + 2126730.

It is an arithmetic number, because the mean of its divisors is an integer number (386698130).

Almost surely, 2^8566848864 is an apocalyptic number.

8566848864 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8566848864 is an abundant number, since it is smaller than the sum of its proper divisors (19275416496).

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

8566848864 is a wasteful number, since it uses less digits than its factorization.

8566848864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249452 (or 4249441 counting only the distinct ones).

The product of its digits is 70778880, while the sum is 63.

The square root of 8566848864 is about 92557.2734257011. The cubic root of 8566848864 is about 2046.1636651239.

The spelling of 8566848864 in words is "eight billion, five hundred sixty-six million, eight hundred forty-eight thousand, eight hundred sixty-four".