6328125857 has 2 divisors, whose sum is σ = 6328125858. Its totient is φ = 6328125856.

The previous prime is 6328125829. The next prime is 6328125871. The reversal of 6328125857 is 7585218236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3317299216 + 3010826641 = 57596^2 + 54871^2 .

It is a cyclic number.

It is not a de Polignac number, because 6328125857 - 2¹⁰ = 6328124833 is a prime.

It is not a weakly prime, because it can be changed into another prime (6328125877) 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 as a sum of consecutive naturals, namely, 3164062928 + 3164062929.

It is an arithmetic number, because the mean of its divisors is an integer number (3164062929).

Almost surely, 2^6328125857 is an apocalyptic number.

It is an amenable number.

6328125857 is a deficient number, since it is larger than the sum of its proper divisors (1).

6328125857 is an equidigital number, since it uses as much as digits as its factorization.

6328125857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 47.

The square root of 6328125857 is about 79549.5182700687. The cubic root of 6328125857 is about 1849.6591392459.

The spelling of 6328125857 in words is "six billion, three hundred twenty-eight million, one hundred twenty-five thousand, eight hundred fifty-seven".