85271172 has 48 divisors (see below), whose sum is σ = 232041600. Its totient is φ = 24362016.

The previous prime is 85271171. The next prime is 85271177. The reversal of 85271172 is 27117258.

It is not an unprimeable number, because it can be changed into a prime (85271171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6243 + ... + 14474.

It is an arithmetic number, because the mean of its divisors is an integer number (4834200).

Almost surely, 2^85271172 is an apocalyptic number.

It is an amenable number.

85271172 is an abundant number, since it is smaller than the sum of its proper divisors (146770428).

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

85271172 is a wasteful number, since it uses less digits than its factorization.

85271172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20745 (or 20729 counting only the distinct ones).

The product of its digits is 7840, while the sum is 33.

The square root of 85271172 is about 9234.2391132134. The cubic root of 85271172 is about 440.1500383633.

The spelling of 85271172 in words is "eighty-five million, two hundred seventy-one thousand, one hundred seventy-two".