68751879689 has 8 divisors (see below), whose sum is σ = 74489041440. Its totient is φ = 63202821696.

The previous prime is 68751879673. The next prime is 68751879743. The reversal of 68751879689 is 98697815786.

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 68751879689 - 2⁴ = 68751879673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68751879629) 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, 47025179 + ... + 47026640.

It is an arithmetic number, because the mean of its divisors is an integer number (9311130180).

Almost surely, 2^68751879689 is an apocalyptic number.

It is an amenable number.

68751879689 is a deficient number, since it is larger than the sum of its proper divisors (5737161751).

68751879689 is a wasteful number, since it uses less digits than its factorization.

68751879689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94051879.

The product of its digits is 365783040, while the sum is 74.

The spelling of 68751879689 in words is "sixty-eight billion, seven hundred fifty-one million, eight hundred seventy-nine thousand, six hundred eighty-nine".