68113587864 has 64 divisors (see below), whose sum is σ = 195588288000. Its totient is φ = 19363221504.

The previous prime is 68113587799. The next prime is 68113587887. The reversal of 68113587864 is 46878531186.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985257 + ... + 1052120.

It is an arithmetic number, because the mean of its divisors is an integer number (3056067000).

Almost surely, 2^68113587864 is an apocalyptic number.

It is an amenable number.

68113587864 is an abundant number, since it is smaller than the sum of its proper divisors (127474700136).

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

68113587864 is a wasteful number, since it uses less digits than its factorization.

68113587864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037592 (or 2037588 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 57.

The spelling of 68113587864 in words is "sixty-eight billion, one hundred thirteen million, five hundred eighty-seven thousand, eight hundred sixty-four".