6668842759 has 8 divisors (see below), whose sum is σ = 6683627520. Its totient is φ = 6654072600.

The previous prime is 6668842727. The next prime is 6668842769. The reversal of 6668842759 is 9572488666.

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 6668842759 - 2⁵ = 6668842727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6668842697 and 6668842706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668842769) 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, 1632882 + ... + 1636960.

It is an arithmetic number, because the mean of its divisors is an integer number (835453440).

Almost surely, 2^6668842759 is an apocalyptic number.

6668842759 is a deficient number, since it is larger than the sum of its proper divisors (14784761).

6668842759 is a wasteful number, since it uses less digits than its factorization.

6668842759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7301.

The product of its digits is 34836480, while the sum is 61.

The square root of 6668842759 is about 81662.9827951441. The cubic root of 6668842759 is about 1882.2768136141.

The spelling of 6668842759 in words is "six billion, six hundred sixty-eight million, eight hundred forty-two thousand, seven hundred fifty-nine".