5657843279 has 8 divisors (see below), whose sum is σ = 6194478288. Its totient is φ = 5124922560.

The previous prime is 5657843249. The next prime is 5657843281. The reversal of 5657843279 is 9723487565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5657843279 is a prime.

It is a super-2 number, since 2×5657843279² = 64022381139450943682, which 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 (5657843239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925382 + ... + 931475.

It is an arithmetic number, because the mean of its divisors is an integer number (774309786).

Almost surely, 2^5657843279 is an apocalyptic number.

5657843279 is a deficient number, since it is larger than the sum of its proper divisors (536635009).

5657843279 is a wasteful number, since it uses less digits than its factorization.

5657843279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857145.

The product of its digits is 12700800, while the sum is 56.

The square root of 5657843279 is about 75218.6365138321. The cubic root of 5657843279 is about 1781.9012718208.

The spelling of 5657843279 in words is "five billion, six hundred fifty-seven million, eight hundred forty-three thousand, two hundred seventy-nine".