85288271 has 4 divisors (see below), whose sum is σ = 85533000. Its totient is φ = 85043544.

The previous prime is 85288267. The next prime is 85288279. The reversal of 85288271 is 17288258.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85288271 - 2² = 85288267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85288279) 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, 121841 + ... + 122538.

It is an arithmetic number, because the mean of its divisors is an integer number (21383250).

Almost surely, 2^85288271 is an apocalyptic number.

85288271 is a deficient number, since it is larger than the sum of its proper divisors (244729).

85288271 is a wasteful number, since it uses less digits than its factorization.

85288271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244728.

The product of its digits is 71680, while the sum is 41.

The square root of 85288271 is about 9235.1649146076. The cubic root of 85288271 is about 440.1794567562.

The spelling of 85288271 in words is "eighty-five million, two hundred eighty-eight thousand, two hundred seventy-one".