68888763875 has 16 divisors (see below), whose sum is σ = 86203726752. Its totient is φ = 54963223200.

The previous prime is 68888763857. The next prime is 68888763877. The reversal of 68888763875 is 57836788886.

It is a de Polignac number, because none of the positive numbers 2^k-68888763875 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68888763877) 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, 692129 + ... + 785378.

It is an arithmetic number, because the mean of its divisors is an integer number (5387732922).

Almost surely, 2^68888763875 is an apocalyptic number.

68888763875 is a deficient number, since it is larger than the sum of its proper divisors (17314962877).

68888763875 is a wasteful number, since it uses less digits than its factorization.

68888763875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477895 (or 1477885 counting only the distinct ones).

The product of its digits is 867041280, while the sum is 74.

The spelling of 68888763875 in words is "sixty-eight billion, eight hundred eighty-eight million, seven hundred sixty-three thousand, eight hundred seventy-five".