85287230 has 32 divisors (see below), whose sum is σ = 176394240. Its totient is φ = 29083680.

The previous prime is 85287217. The next prime is 85287233. The reversal of 85287230 is 3278258.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85287233) 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 15 ways as a sum of consecutive naturals, for example, 10181 + ... + 16559.

It is an arithmetic number, because the mean of its divisors is an integer number (5512320).

Almost surely, 2^85287230 is an apocalyptic number.

85287230 is an abundant number, since it is smaller than the sum of its proper divisors (91107010).

85287230 is a wasteful number, since it uses less digits than its factorization.

85287230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6584.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 85287230 is about 9235.1085537746. The cubic root of 85287230 is about 440.1776658547.

The spelling of 85287230 in words is "eighty-five million, two hundred eighty-seven thousand, two hundred thirty".