68308143875 has 16 divisors (see below), whose sum is σ = 85309286400. Its totient is φ = 54607590400.

The previous prime is 68308143863. The next prime is 68308143971. The reversal of 68308143875 is 57834180386.

It is not a de Polignac number, because 68308143875 - 2⁶ = 68308143811 is a prime.

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, 17795 + ... + 370044.

It is an arithmetic number, because the mean of its divisors is an integer number (5331830400).

Almost surely, 2^68308143875 is an apocalyptic number.

68308143875 is a deficient number, since it is larger than the sum of its proper divisors (17001142525).

68308143875 is a wasteful number, since it uses less digits than its factorization.

68308143875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389263 (or 389253 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 68308143875 in words is "sixty-eight billion, three hundred eight million, one hundred forty-three thousand, eight hundred seventy-five".