68750235864 has 80 divisors (see below), whose sum is σ = 198776128320. Its totient is φ = 22177488960.

The previous prime is 68750235863. The next prime is 68750235887. The reversal of 68750235864 is 46853205786.

68750235864 is a `hidden beast` number, since 6 + 8 + 7 + 50 + 2 + 3 + 586 + 4 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 68750235864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68750235863) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1691139 + ... + 1731314.

It is an arithmetic number, because the mean of its divisors is an integer number (2484701604).

Almost surely, 2^68750235864 is an apocalyptic number.

It is an amenable number.

68750235864 is an abundant number, since it is smaller than the sum of its proper divisors (130025892456).

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

68750235864 is a wasteful number, since it uses less digits than its factorization.

68750235864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422502 (or 3422489 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 68750235864 in words is "sixty-eight billion, seven hundred fifty million, two hundred thirty-five thousand, eight hundred sixty-four".