85936321 has 4 divisors (see below), whose sum is σ = 85992192. Its totient is φ = 85880452.

The previous prime is 85936313. The next prime is 85936327. The reversal of 85936321 is 12363958.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85936321 - 2³ = 85936313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85936327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25561 + ... + 28726.

It is an arithmetic number, because the mean of its divisors is an integer number (21498048).

Almost surely, 2^85936321 is an apocalyptic number.

It is an amenable number.

85936321 is a deficient number, since it is larger than the sum of its proper divisors (55871).

85936321 is a wasteful number, since it uses less digits than its factorization.

85936321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55870.

The product of its digits is 38880, while the sum is 37.

The square root of 85936321 is about 9270.1845181204. The cubic root of 85936321 is about 441.2915238310.

The spelling of 85936321 in words is "eighty-five million, nine hundred thirty-six thousand, three hundred twenty-one".