5771656438 has 8 divisors (see below), whose sum is σ = 8659613160. Its totient is φ = 2885118720.

The previous prime is 5771656433. The next prime is 5771656463. The reversal of 5771656438 is 8346561775.

It is a happy number.

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

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344523 + ... + 360886.

It is an arithmetic number, because the mean of its divisors is an integer number (1082451645).

Almost surely, 2^5771656438 is an apocalyptic number.

5771656438 is a deficient number, since it is larger than the sum of its proper divisors (2887956722).

5771656438 is a wasteful number, since it uses less digits than its factorization.

5771656438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709502.

The product of its digits is 4233600, while the sum is 52.

The square root of 5771656438 is about 75971.4185598768. The cubic root of 5771656438 is about 1793.7702786896.

The spelling of 5771656438 in words is "five billion, seven hundred seventy-one million, six hundred fifty-six thousand, four hundred thirty-eight".