8585594955857 has 2 divisors, whose sum is σ = 8585594955858. Its totient is φ = 8585594955856.

The previous prime is 8585594955823. The next prime is 8585594955863. The reversal of 8585594955857 is 7585594955858.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8510516763841 + 75078192016 = 2917279^2 + 274004^2 .

It is a cyclic number.

It is not a de Polignac number, because 8585594955857 - 2⁶ = 8585594955793 is a prime.

It is not a weakly prime, because it can be changed into another prime (8585594954857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4292797477928 + 4292797477929.

It is an arithmetic number, because the mean of its divisors is an integer number (4292797477929).

Almost surely, 2^{8585594955857} is an apocalyptic number.

It is an amenable number.

8585594955857 is a deficient number, since it is larger than the sum of its proper divisors (1).

8585594955857 is an equidigital number, since it uses as much as digits as its factorization.

8585594955857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144000000, while the sum is 83.

Subtracting from 8585594955857 its reverse (7585594955858), we obtain a palindrome (999999999999).

The spelling of 8585594955857 in words is "eight trillion, five hundred eighty-five billion, five hundred ninety-four million, nine hundred fifty-five thousand, eight hundred fifty-seven".