85817386585585 has 8 divisors (see below), whose sum is σ = 102981676029120. Its totient is φ = 68653367850864.

The previous prime is 85817386585583. The next prime is 85817386585661. The reversal of 85817386585585 is 58558568371858.

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 85817386585585 - 2¹ = 85817386585583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85817386585499 and 85817386585508.

It is not an unprimeable number, because it can be changed into a prime (85817386585583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66979125 + ... + 68248354.

It is an arithmetic number, because the mean of its divisors is an integer number (12872709503640).

Almost surely, 2^{85817386585585} is an apocalyptic number.

It is an amenable number.

85817386585585 is a deficient number, since it is larger than the sum of its proper divisors (17164289443535).

85817386585585 is a wasteful number, since it uses less digits than its factorization.

85817386585585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135354407.

The product of its digits is 12902400000, while the sum is 82.

The spelling of 85817386585585 in words is "eighty-five trillion, eight hundred seventeen billion, three hundred eighty-six million, five hundred eighty-five thousand, five hundred eighty-five".