5697197857 has 4 divisors (see below), whose sum is σ = 6135443860. Its totient is φ = 5258951856.

The previous prime is 5697197827. The next prime is 5697197867. The reversal of 5697197857 is 7587917965.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7587917965 = 5 ⋅1517583593.

It can be written as a sum of positive squares in 2 ways, for example, as 1351224081 + 4345973776 = 36759^2 + 65924^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5697197857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5697197827) 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, 219122982 + ... + 219123007.

It is an arithmetic number, because the mean of its divisors is an integer number (1533860965).

Almost surely, 2^5697197857 is an apocalyptic number.

It is an amenable number.

5697197857 is a deficient number, since it is larger than the sum of its proper divisors (438246003).

5697197857 is a wasteful number, since it uses less digits than its factorization.

5697197857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438246002.

The product of its digits is 33339600, while the sum is 64.

The square root of 5697197857 is about 75479.7844260303. The cubic root of 5697197857 is about 1786.0232196783.

The spelling of 5697197857 in words is "five billion, six hundred ninety-seven million, one hundred ninety-seven thousand, eight hundred fifty-seven".