85634273 has 16 divisors (see below), whose sum is σ = 92473920. Its totient is φ = 79050816.

The previous prime is 85634249. The next prime is 85634279. The reversal of 85634273 is 37243658.

It is a cyclic number.

It is not a de Polignac number, because 85634273 - 2¹² = 85630177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85634279) 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, 278786 + ... + 279092.

It is an arithmetic number, because the mean of its divisors is an integer number (5779620).

Almost surely, 2^85634273 is an apocalyptic number.

It is an amenable number.

85634273 is a deficient number, since it is larger than the sum of its proper divisors (6839647).

85634273 is a wasteful number, since it uses less digits than its factorization.

85634273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656.

The product of its digits is 120960, while the sum is 38.

The square root of 85634273 is about 9253.8788083700. The cubic root of 85634273 is about 440.7739014421.

The spelling of 85634273 in words is "eighty-five million, six hundred thirty-four thousand, two hundred seventy-three".