85524871 has 16 divisors (see below), whose sum is σ = 92990560. Its totient is φ = 78599808.

The previous prime is 85524869. The next prime is 85524883. The reversal of 85524871 is 17842558.

It is not a de Polignac number, because 85524871 - 2¹ = 85524869 is a prime.

It is a super-3 number, since 3×85524871³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85524821) 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, 253615 + ... + 253951.

It is an arithmetic number, because the mean of its divisors is an integer number (5811910).

Almost surely, 2^85524871 is an apocalyptic number.

85524871 is a deficient number, since it is larger than the sum of its proper divisors (7465689).

85524871 is an equidigital number, since it uses as much as digits as its factorization.

85524871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 393 counting only the distinct ones).

The product of its digits is 89600, while the sum is 40.

The square root of 85524871 is about 9247.9657763208. The cubic root of 85524871 is about 440.5861179982.

The spelling of 85524871 in words is "eighty-five million, five hundred twenty-four thousand, eight hundred seventy-one".