868588885868 has 48 divisors (see below), whose sum is σ = 1716396060960. Its totient is φ = 380976422400.

The previous prime is 868588885867. The next prime is 868588885877.

868588885868 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×868588885868² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 868588885868.

It is not an unprimeable number, because it can be changed into a prime (868588885867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1998230 + ... + 2393762.

It is an arithmetic number, because the mean of its divisors is an integer number (35758251270).

Almost surely, 2^868588885868 is an apocalyptic number.

It is an amenable number.

868588885868 is a deficient number, since it is larger than the sum of its proper divisors (847807175092).

868588885868 is a wasteful number, since it uses less digits than its factorization.

868588885868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397298 (or 397296 counting only the distinct ones).

The product of its digits is 15099494400, while the sum is 86.

The spelling of 868588885868 in words is "eight hundred sixty-eight billion, five hundred eighty-eight million, eight hundred eighty-five thousand, eight hundred sixty-eight".