8585872686721 has 8 divisors (see below), whose sum is σ = 9917371659744. Its totient is φ = 7346201229120.

The previous prime is 8585872686719. The next prime is 8585872686773. The reversal of 8585872686721 is 1276862785858.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8585872686721 - 2¹ = 8585872686719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8585872689721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22956878655 + ... + 22956879028.

It is an arithmetic number, because the mean of its divisors is an integer number (1239671457468).

Almost surely, 2^{8585872686721} is an apocalyptic number.

It is an amenable number.

8585872686721 is a deficient number, since it is larger than the sum of its proper divisors (1331498973023).

8585872686721 is a wasteful number, since it uses less digits than its factorization.

8585872686721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45913757711.

The product of its digits is 722534400, while the sum is 73.

The spelling of 8585872686721 in words is "eight trillion, five hundred eighty-five billion, eight hundred seventy-two million, six hundred eighty-six thousand, seven hundred twenty-one".