85189266 has 16 divisors (see below), whose sum is σ = 189309600. Its totient is φ = 28396404.

The previous prime is 85189259. The next prime is 85189289. The reversal of 85189266 is 66298158.

It is a super-2 number, since 2×85189266² = 14514422083237512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788736 + ... + 788843.

It is an arithmetic number, because the mean of its divisors is an integer number (11831850).

Almost surely, 2^85189266 is an apocalyptic number.

85189266 is an abundant number, since it is smaller than the sum of its proper divisors (104120334).

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

85189266 is a wasteful number, since it uses less digits than its factorization.

85189266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577590 (or 1577584 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 85189266 is about 9229.8031398291. The cubic root of 85189266 is about 440.0090666176.

The spelling of 85189266 in words is "eighty-five million, one hundred eighty-nine thousand, two hundred sixty-six".