85863205 has 4 divisors (see below), whose sum is σ = 103035852. Its totient is φ = 68690560.

The previous prime is 85863181. The next prime is 85863227. The reversal of 85863205 is 50236858.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22724289 + 63138916 = 4767^2 + 7946^2 .

It is not a de Polignac number, because 85863205 - 2⁷ = 85863077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 8586316 + ... + 8586325.

It is an arithmetic number, because the mean of its divisors is an integer number (25758963).

Almost surely, 2^85863205 is an apocalyptic number.

It is an amenable number.

85863205 is a deficient number, since it is larger than the sum of its proper divisors (17172647).

85863205 is a wasteful number, since it uses less digits than its factorization.

85863205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17172646.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 85863205 is about 9266.2400681182. The cubic root of 85863205 is about 441.1663356853.

It can be divided in two parts, 85863 and 205, that added together give a palindrome (86068).

The spelling of 85863205 in words is "eighty-five million, eight hundred sixty-three thousand, two hundred five".