6376197857 has 2 divisors, whose sum is σ = 6376197858. Its totient is φ = 6376197856.

The previous prime is 6376197811. The next prime is 6376197881. The reversal of 6376197857 is 7587916736.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6367880401 + 8317456 = 79799^2 + 2884^2 .

It is a cyclic number.

It is not a de Polignac number, because 6376197857 - 2²² = 6372003553 is a prime.

It is a super-2 number, since 2×6376197857² = 81311798223222784898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6376197796 and 6376197805.

It is not a weakly prime, because it can be changed into another prime (6376197557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3188098928 + 3188098929.

It is an arithmetic number, because the mean of its divisors is an integer number (3188098929).

Almost surely, 2^6376197857 is an apocalyptic number.

It is an amenable number.

6376197857 is a deficient number, since it is larger than the sum of its proper divisors (1).

6376197857 is an equidigital number, since it uses as much as digits as its factorization.

6376197857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13335840, while the sum is 59.

The square root of 6376197857 is about 79851.0980325255. The cubic root of 6376197857 is about 1854.3310124857.

The spelling of 6376197857 in words is "six billion, three hundred seventy-six million, one hundred ninety-seven thousand, eight hundred fifty-seven".