68868375925 has 6 divisors (see below), whose sum is σ = 85396786178. Its totient is φ = 55094700720.

The previous prime is 68868375923. The next prime is 68868375937. The reversal of 68868375925 is 52957386886.

It can be written as a sum of positive squares in 3 ways, for example, as 20962985796 + 47905390129 = 144786^2 + 218873^2 .

It is not a de Polignac number, because 68868375925 - 2¹ = 68868375923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68868375923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1377367494 + ... + 1377367543.

Almost surely, 2^68868375925 is an apocalyptic number.

It is an amenable number.

68868375925 is a deficient number, since it is larger than the sum of its proper divisors (16528410253).

68868375925 is a wasteful number, since it uses less digits than its factorization.

68868375925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754735047 (or 2754735042 counting only the distinct ones).

The product of its digits is 174182400, while the sum is 67.

The spelling of 68868375925 in words is "sixty-eight billion, eight hundred sixty-eight million, three hundred seventy-five thousand, nine hundred twenty-five".