68675862679 has 16 divisors (see below), whose sum is σ = 73997973504. Its totient is φ = 63549842400.

The previous prime is 68675862677. The next prime is 68675862701. The reversal of 68675862679 is 97626857686.

It is a cyclic number.

It is not a de Polignac number, because 68675862679 - 2¹ = 68675862677 is a prime.

It is a super-2 number, since 2×68675862679² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68675862677) 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, 2389237 + ... + 2417809.

It is an arithmetic number, because the mean of its divisors is an integer number (4624873344).

Almost surely, 2^68675862679 is an apocalyptic number.

68675862679 is a deficient number, since it is larger than the sum of its proper divisors (5322110825).

68675862679 is a wasteful number, since it uses less digits than its factorization.

68675862679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31998.

The product of its digits is 365783040, while the sum is 70.

The spelling of 68675862679 in words is "sixty-eight billion, six hundred seventy-five million, eight hundred sixty-two thousand, six hundred seventy-nine".