68812568785 has 8 divisors (see below), whose sum is σ = 82680011136. Its totient is φ = 54980102640.

The previous prime is 68812568779. The next prime is 68812568819. The reversal of 68812568785 is 58786521886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68812568785 - 2⁵ = 68812568753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8739721 + ... + 8747590.

It is an arithmetic number, because the mean of its divisors is an integer number (10335001392).

Almost surely, 2^68812568785 is an apocalyptic number.

It is an amenable number.

68812568785 is a deficient number, since it is larger than the sum of its proper divisors (13867442351).

68812568785 is a wasteful number, since it uses less digits than its factorization.

68812568785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17488103.

The product of its digits is 51609600, while the sum is 64.

The spelling of 68812568785 in words is "sixty-eight billion, eight hundred twelve million, five hundred sixty-eight thousand, seven hundred eighty-five".