85856223 has 8 divisors (see below), whose sum is σ = 114524928. Its totient is φ = 57212504.

The previous prime is 85856207. The next prime is 85856227. The reversal of 85856223 is 32265858.

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

It is a cyclic number.

It is not a de Polignac number, because 85856223 - 2⁴ = 85856207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85856227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4336 + ... + 13802.

It is an arithmetic number, because the mean of its divisors is an integer number (14315616).

Almost surely, 2^85856223 is an apocalyptic number.

85856223 is a deficient number, since it is larger than the sum of its proper divisors (28668705).

85856223 is a wasteful number, since it uses less digits than its factorization.

85856223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12493.

The product of its digits is 115200, while the sum is 39.

The square root of 85856223 is about 9265.8633164967. The cubic root of 85856223 is about 441.1543774902.

The spelling of 85856223 in words is "eighty-five million, eight hundred fifty-six thousand, two hundred twenty-three".