85489272 has 48 divisors (see below), whose sum is σ = 252584280. Its totient is φ = 25905600.

The previous prime is 85489267. The next prime is 85489291. The reversal of 85489272 is 27298458.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 53179 + ... + 54762.

Almost surely, 2^85489272 is an apocalyptic number.

It is an amenable number.

85489272 is an abundant number, since it is smaller than the sum of its proper divisors (167095008).

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

85489272 is a wasteful number, since it uses less digits than its factorization.

85489272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107964 (or 107957 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 85489272 is about 9246.0408824534. The cubic root of 85489272 is about 440.5249794401.

The spelling of 85489272 in words is "eighty-five million, four hundred eighty-nine thousand, two hundred seventy-two".