68888875 has 16 divisors (see below), whose sum is σ = 93790944. Its totient is φ = 50100000.

The previous prime is 68888873. The next prime is 68888893. The reversal of 68888875 is 57888886.

It is not a de Polignac number, because 68888875 - 2¹ = 68888873 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 (68888873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23676 + ... + 26425.

It is an arithmetic number, because the mean of its divisors is an integer number (5861934).

Almost surely, 2^68888875 is an apocalyptic number.

68888875 is a deficient number, since it is larger than the sum of its proper divisors (24902069).

68888875 is a wasteful number, since it uses less digits than its factorization.

68888875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50127 (or 50117 counting only the distinct ones).

The product of its digits is 6881280, while the sum is 58.

The square root of 68888875 is about 8299.9322286390. The cubic root of 68888875 is about 409.9362879385.

The spelling of 68888875 in words is "sixty-eight million, eight hundred eighty-eight thousand, eight hundred seventy-five".