5657957827 has 4 divisors (see below), whose sum is σ = 5750711296. Its totient is φ = 5565204360.

The previous prime is 5657957803. The next prime is 5657957843. The reversal of 5657957827 is 7287597565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5657957827 - 2¹⁹ = 5657433539 is a prime.

It is a super-2 number, since 2×5657957827² = 64024973544221123858, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (61), and also a Moran number because the ratio is a prime number: 92753407 = 5657957827 / (5 + 6 + 5 + 7 + 9 + 5 + 7 + 8 + 2 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5657957857) 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 3 ways as a sum of consecutive naturals, for example, 46376643 + ... + 46376764.

It is an arithmetic number, because the mean of its divisors is an integer number (1437677824).

Almost surely, 2^5657957827 is an apocalyptic number.

5657957827 is a deficient number, since it is larger than the sum of its proper divisors (92753469).

5657957827 is an equidigital number, since it uses as much as digits as its factorization.

5657957827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92753468.

The product of its digits is 37044000, while the sum is 61.

The square root of 5657957827 is about 75219.3979436156. The cubic root of 5657957827 is about 1781.9132971244.

The spelling of 5657957827 in words is "five billion, six hundred fifty-seven million, nine hundred fifty-seven thousand, eight hundred twenty-seven".