5666722839 has 12 divisors (see below), whose sum is σ = 8185920600. Its totient is φ = 3777513264.

The previous prime is 5666722823. The next prime is 5666722871. The reversal of 5666722839 is 9382276665.

5666722839 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5666722839 - 2⁴ = 5666722823 is a prime.

It is a super-2 number, since 2×5666722839² = 64223495468088439842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666722339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195892 + ... + 222950.

It is an arithmetic number, because the mean of its divisors is an integer number (682160050).

Almost surely, 2^5666722839 is an apocalyptic number.

5666722839 is a deficient number, since it is larger than the sum of its proper divisors (2519197761).

5666722839 is a wasteful number, since it uses less digits than its factorization.

5666722839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50334 (or 50331 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The square root of 5666722839 is about 75277.6383728927. The cubic root of 5666722839 is about 1782.8329713088.

The spelling of 5666722839 in words is "five billion, six hundred sixty-six million, seven hundred twenty-two thousand, eight hundred thirty-nine".