68372387108 has 12 divisors (see below), whose sum is σ = 126690011532. Its totient is φ = 32175240960.

The previous prime is 68372387087. The next prime is 68372387123. The reversal of 68372387108 is 80178327386.

It can be written as a sum of positive squares in 2 ways, for example, as 23308739584 + 45063647524 = 152672^2 + 212282^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68372387108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502738073 + ... + 502738208.

It is an arithmetic number, because the mean of its divisors is an integer number (10557500961).

Almost surely, 2^68372387108 is an apocalyptic number.

68372387108 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

68372387108 is a deficient number, since it is larger than the sum of its proper divisors (58317624424).

68372387108 is a wasteful number, since it uses less digits than its factorization.

68372387108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005476302 (or 1005476300 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 68372387108 in words is "sixty-eight billion, three hundred seventy-two million, three hundred eighty-seven thousand, one hundred eight".