85899170 has 16 divisors (see below), whose sum is σ = 176707008. Its totient is φ = 29451120.

The previous prime is 85899157. The next prime is 85899193. The reversal of 85899170 is 7199858.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613496 + ... + 613635.

It is an arithmetic number, because the mean of its divisors is an integer number (11044188).

Almost surely, 2^85899170 is an apocalyptic number.

85899170 is an abundant number, since it is smaller than the sum of its proper divisors (90807838).

85899170 is a wasteful number, since it uses less digits than its factorization.

85899170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227145.

The product of its (nonzero) digits is 181440, while the sum is 47.

The square root of 85899170 is about 9268.1805118373. The cubic root of 85899170 is about 441.2279233097.

The spelling of 85899170 in words is "eighty-five million, eight hundred ninety-nine thousand, one hundred seventy".