65868706585 has 16 divisors (see below), whose sum is σ = 86336373312. Its totient is φ = 47844376000.

The previous prime is 65868706571. The next prime is 65868706613. The reversal of 65868706585 is 58560786856.

65868706585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65868706585 - 2¹⁵ = 65868673817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707491 + ... + 795160.

It is an arithmetic number, because the mean of its divisors is an integer number (5396023332).

Almost surely, 2^65868706585 is an apocalyptic number.

It is an amenable number.

65868706585 is a deficient number, since it is larger than the sum of its proper divisors (20467666727).

65868706585 is a wasteful number, since it uses less digits than its factorization.

65868706585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503464.

The product of its (nonzero) digits is 96768000, while the sum is 64.

The spelling of 65868706585 in words is "sixty-five billion, eight hundred sixty-eight million, seven hundred six thousand, five hundred eighty-five".