8936857697 has 2 divisors, whose sum is σ = 8936857698. Its totient is φ = 8936857696.

The previous prime is 8936857673. The next prime is 8936857711. The reversal of 8936857697 is 7967586398.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5381836321 + 3555021376 = 73361^2 + 59624^2 .

It is a cyclic number.

It is not a de Polignac number, because 8936857697 - 2²⁸ = 8668422241 is a prime.

It is not a weakly prime, because it can be changed into another prime (8936857607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4468428848 + 4468428849.

It is an arithmetic number, because the mean of its divisors is an integer number (4468428849).

Almost surely, 2^8936857697 is an apocalyptic number.

It is an amenable number.

8936857697 is a deficient number, since it is larger than the sum of its proper divisors (1).

8936857697 is an equidigital number, since it uses as much as digits as its factorization.

8936857697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 137168640, while the sum is 68.

The square root of 8936857697 is about 94534.9548950017. The cubic root of 8936857697 is about 2075.2079104199.

The spelling of 8936857697 in words is "eight billion, nine hundred thirty-six million, eight hundred fifty-seven thousand, six hundred ninety-seven".