85170558903375 has 32 divisors (see below), whose sum is σ = 154607792751360. Its totient is φ = 41294816436000.

The previous prime is 85170558903359. The next prime is 85170558903383. The reversal of 85170558903375 is 57330985507158.

It is not a de Polignac number, because 85170558903375 - 2⁴ = 85170558903359 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 10323699985 + ... + 10323708234.

It is an arithmetic number, because the mean of its divisors is an integer number (4831493523480).

Almost surely, 2^{85170558903375} is an apocalyptic number.

85170558903375 is a deficient number, since it is larger than the sum of its proper divisors (69437233847985).

85170558903375 is a wasteful number, since it uses less digits than its factorization.

85170558903375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20647408248 (or 20647408238 counting only the distinct ones).

The product of its (nonzero) digits is 158760000, while the sum is 66.

The spelling of 85170558903375 in words is "eighty-five trillion, one hundred seventy billion, five hundred fifty-eight million, nine hundred three thousand, three hundred seventy-five".