85864319625 has 64 divisors (see below), whose sum is σ = 165257164800. Its totient is φ = 38779243200.

The previous prime is 85864319543. The next prime is 85864319687. The reversal of 85864319625 is 52691346858.

It is not a de Polignac number, because 85864319625 - 2¹⁰ = 85864318601 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20826 + ... + 414924.

It is an arithmetic number, because the mean of its divisors is an integer number (2582143200).

Almost surely, 2^85864319625 is an apocalyptic number.

It is an amenable number.

85864319625 is a deficient number, since it is larger than the sum of its proper divisors (79392845175).

85864319625 is a wasteful number, since it uses less digits than its factorization.

85864319625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394207 (or 394197 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 57.

The spelling of 85864319625 in words is "eighty-five billion, eight hundred sixty-four million, three hundred nineteen thousand, six hundred twenty-five".