6856336585 has 32 divisors (see below), whose sum is σ = 9522680832. Its totient is φ = 4641960960.

The previous prime is 6856336559. The next prime is 6856336607. The reversal of 6856336585 is 5856336586.

It is a happy number.

It is not a de Polignac number, because 6856336585 - 2⁹ = 6856336073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1068607 + ... + 1075003.

It is an arithmetic number, because the mean of its divisors is an integer number (297583776).

Almost surely, 2^6856336585 is an apocalyptic number.

It is an amenable number.

6856336585 is a deficient number, since it is larger than the sum of its proper divisors (2666344247).

6856336585 is a wasteful number, since it uses less digits than its factorization.

6856336585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6793.

The product of its digits is 15552000, while the sum is 55.

The square root of 6856336585 is about 82802.9986473920. The cubic root of 6856336585 is about 1899.7540387980.

Subtracting from 6856336585 its reverse (5856336586), we obtain a palindrome (999999999).

The spelling of 6856336585 in words is "six billion, eight hundred fifty-six million, three hundred thirty-six thousand, five hundred eighty-five".