68840213875 has 16 divisors (see below), whose sum is σ = 85955287392. Its totient is φ = 55044799200.

The previous prime is 68840213851. The next prime is 68840213921. The reversal of 68840213875 is 57831204886.

It is not a de Polignac number, because 68840213875 - 2⁷ = 68840213747 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117529 + ... + 389221.

It is an arithmetic number, because the mean of its divisors is an integer number (5372205462).

Almost surely, 2^68840213875 is an apocalyptic number.

68840213875 is a deficient number, since it is larger than the sum of its proper divisors (17115073517).

68840213875 is a wasteful number, since it uses less digits than its factorization.

68840213875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273735 (or 273725 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 68840213875 in words is "sixty-eight billion, eight hundred forty million, two hundred thirteen thousand, eight hundred seventy-five".