85133994 has 64 divisors (see below), whose sum is σ = 205286400. Its totient is φ = 23217920.

The previous prime is 85133989. The next prime is 85134001. The reversal of 85133994 is 49933158.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24157 + ... + 27455.

It is an arithmetic number, because the mean of its divisors is an integer number (3207600).

Almost surely, 2^85133994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85133994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102643200).

85133994 is an abundant number, since it is smaller than the sum of its proper divisors (120152406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85133994 is a wasteful number, since it uses less digits than its factorization.

85133994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355.

The product of its digits is 116640, while the sum is 42.

The square root of 85133994 is about 9226.8084406256. The cubic root of 85133994 is about 439.9138846620.

The spelling of 85133994 in words is "eighty-five million, one hundred thirty-three thousand, nine hundred ninety-four".