85942228805 has 16 divisors (see below), whose sum is σ = 103485548160. Its totient is φ = 68517453888.

The previous prime is 85942228793. The next prime is 85942228831. The reversal of 85942228805 is 50882224958.

It is a cyclic number.

It is not a de Polignac number, because 85942228805 - 2²⁴ = 85925451589 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2880494 + ... + 2910176.

It is an arithmetic number, because the mean of its divisors is an integer number (6467846760).

Almost surely, 2^85942228805 is an apocalyptic number.

It is an amenable number.

85942228805 is a deficient number, since it is larger than the sum of its proper divisors (17543319355).

85942228805 is a wasteful number, since it uses less digits than its factorization.

85942228805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31660.

The product of its (nonzero) digits is 3686400, while the sum is 53.

The spelling of 85942228805 in words is "eighty-five billion, nine hundred forty-two million, two hundred twenty-eight thousand, eight hundred five".