5771656831 has 2 divisors, whose sum is σ = 5771656832. Its totient is φ = 5771656830.

The previous prime is 5771656727. The next prime is 5771656841. The reversal of 5771656831 is 1386561775.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5771656831 is a prime.

It is a super-2 number, since 2×5771656831² = 66624045149657925122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5771656841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2885828415 + 2885828416.

It is an arithmetic number, because the mean of its divisors is an integer number (2885828416).

Almost surely, 2^5771656831 is an apocalyptic number.

5771656831 is a deficient number, since it is larger than the sum of its proper divisors (1).

5771656831 is an equidigital number, since it uses as much as digits as its factorization.

5771656831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058400, while the sum is 49.

The square root of 5771656831 is about 75971.4211463758. The cubic root of 5771656831 is about 1793.7703194030.

The spelling of 5771656831 in words is "five billion, seven hundred seventy-one million, six hundred fifty-six thousand, eight hundred thirty-one".