85604170 has 8 divisors (see below), whose sum is σ = 154087524. Its totient is φ = 34241664.

The previous prime is 85604161. The next prime is 85604179. The reversal of 85604170 is 7140658.

It is an interprime number because it is at equal distance from previous prime (85604161) and next prime (85604179).

It can be written as a sum of positive squares in 2 ways, for example, as 76405081 + 9199089 = 8741^2 + 3033^2 .

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

It is not an unprimeable number, because it can be changed into a prime (85604179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4280199 + ... + 4280218.

Almost surely, 2^85604170 is an apocalyptic number.

85604170 is a deficient number, since it is larger than the sum of its proper divisors (68483354).

85604170 is a wasteful number, since it uses less digits than its factorization.

85604170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8560424.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 85604170 is about 9252.2521582586. The cubic root of 85604170 is about 440.7222469998.

The spelling of 85604170 in words is "eighty-five million, six hundred four thousand, one hundred seventy".