85189288 has 16 divisors (see below), whose sum is σ = 159878880. Its totient is φ = 42554928.

The previous prime is 85189259. The next prime is 85189289. The reversal of 85189288 is 88298158.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (85189289) 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, 5431 + ... + 14137.

It is an arithmetic number, because the mean of its divisors is an integer number (9992430).

Almost surely, 2^85189288 is an apocalyptic number.

It is an amenable number.

85189288 is a deficient number, since it is larger than the sum of its proper divisors (74689592).

85189288 is a wasteful number, since it uses less digits than its factorization.

85189288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9936 (or 9932 counting only the distinct ones).

The product of its digits is 368640, while the sum is 49.

The square root of 85189288 is about 9229.8043316205. The cubic root of 85189288 is about 440.0091044948.

The spelling of 85189288 in words is "eighty-five million, one hundred eighty-nine thousand, two hundred eighty-eight".