85133774 has 16 divisors (see below), whose sum is σ = 139550256. Its totient is φ = 38630400.

The previous prime is 85133767. The next prime is 85133777. The reversal of 85133774 is 47733158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85133777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11084 + ... + 17120.

It is an arithmetic number, because the mean of its divisors is an integer number (8721891).

Almost surely, 2^85133774 is an apocalyptic number.

85133774 is a deficient number, since it is larger than the sum of its proper divisors (54416482).

85133774 is a wasteful number, since it uses less digits than its factorization.

85133774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691.

The product of its digits is 70560, while the sum is 38.

The square root of 85133774 is about 9226.7965188358. The cubic root of 85133774 is about 439.9135057255.

The spelling of 85133774 in words is "eighty-five million, one hundred thirty-three thousand, seven hundred seventy-four".