868688323886868 has 48 divisors (see below), whose sum is σ = 2055493066064256. Its totient is φ = 285483703317120.

The previous prime is 868688323886863. The next prime is 868688323886891.

868688323886868 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868688323886863) 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, 414059130 + ... + 416151822.

It is an arithmetic number, because the mean of its divisors is an integer number (42822772209672).

Almost surely, 2^{868688323886868} is an apocalyptic number.

It is an amenable number.

868688323886868 is an abundant number, since it is smaller than the sum of its proper divisors (1186804742177388).

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

868688323886868 is a wasteful number, since it uses less digits than its factorization.

868688323886868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579984 (or 2579982 counting only the distinct ones).

The product of its digits is 391378894848, while the sum is 96.

The spelling of 868688323886868 in words is "eight hundred sixty-eight trillion, six hundred eighty-eight billion, three hundred twenty-three million, eight hundred eighty-six thousand, eight hundred sixty-eight".