85805230 has 32 divisors (see below), whose sum is σ = 178347456. Its totient is φ = 29113344.

The previous prime is 85805219. The next prime is 85805233. The reversal of 85805230 is 3250858.

It is a junction number, because it is equal to n+sod(n) for n = 85805192 and 85805201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85805233) 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, 472 + ... + 13108.

It is an arithmetic number, because the mean of its divisors is an integer number (5573358).

Almost surely, 2^85805230 is an apocalyptic number.

85805230 is an abundant number, since it is smaller than the sum of its proper divisors (92542226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85805230 is a wasteful number, since it uses less digits than its factorization.

85805230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12748.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 85805230 is about 9263.1112483873. Note that the first 3 decimals coincide. The cubic root of 85805230 is about 441.0670212120.

The spelling of 85805230 in words is "eighty-five million, eight hundred five thousand, two hundred thirty".