68611869979 has 8 divisors (see below), whose sum is σ = 70991415360. Its totient is φ = 66233232576.

The previous prime is 68611869959. The next prime is 68611870013. The reversal of 68611869979 is 97996811686.

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 68611869979 - 2⁹ = 68611869467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68611869959) 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, 71427 + ... + 377260.

It is an arithmetic number, because the mean of its divisors is an integer number (8873926920).

Almost surely, 2^68611869979 is an apocalyptic number.

68611869979 is a deficient number, since it is larger than the sum of its proper divisors (2379545381).

68611869979 is a wasteful number, since it uses less digits than its factorization.

68611869979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453989.

The product of its digits is 70543872, while the sum is 70.

The spelling of 68611869979 in words is "sixty-eight billion, six hundred eleven million, eight hundred sixty-nine thousand, nine hundred seventy-nine".