5771656439 has 6 divisors (see below), whose sum is σ = 5806452264. Its totient is φ = 5737067900.

The previous prime is 5771656433. The next prime is 5771656463. The reversal of 5771656439 is 9346561775.

It is not a de Polignac number, because 5771656439 - 2²⁰ = 5770607863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5771656433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75587 + ... + 131364.

It is an arithmetic number, because the mean of its divisors is an integer number (967742044).

Almost surely, 2^5771656439 is an apocalyptic number.

5771656439 is a deficient number, since it is larger than the sum of its proper divisors (34795825).

5771656439 is an equidigital number, since it uses as much as digits as its factorization.

5771656439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207285 (or 207118 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 53.

The square root of 5771656439 is about 75971.4185664583. The cubic root of 5771656439 is about 1793.7702787932.

The spelling of 5771656439 in words is "five billion, seven hundred seventy-one million, six hundred fifty-six thousand, four hundred thirty-nine".