68255188279 has 8 divisors (see below), whose sum is σ = 68695326720. Its totient is φ = 67815703800.

The previous prime is 68255188259. The next prime is 68255188297. The reversal of 68255188279 is 97288155286.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68255188279 - 2⁵ = 68255188247 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 (68255188259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46794 + ... + 372424.

It is an arithmetic number, because the mean of its divisors is an integer number (8586915840).

Almost surely, 2^68255188279 is an apocalyptic number.

68255188279 is a deficient number, since it is larger than the sum of its proper divisors (440138441).

68255188279 is a wasteful number, since it uses less digits than its factorization.

68255188279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326981.

The product of its digits is 19353600, while the sum is 61.

The spelling of 68255188279 in words is "sixty-eight billion, two hundred fifty-five million, one hundred eighty-eight thousand, two hundred seventy-nine".