85692171 has 4 divisors (see below), whose sum is σ = 114256232. Its totient is φ = 57128112.

The previous prime is 85692161. The next prime is 85692199. The reversal of 85692171 is 17129658.

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

It is not a de Polignac number, because 85692171 - 2¹⁰ = 85691147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85692151) 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, 14282026 + ... + 14282031.

It is an arithmetic number, because the mean of its divisors is an integer number (28564058).

Almost surely, 2^85692171 is an apocalyptic number.

85692171 is a deficient number, since it is larger than the sum of its proper divisors (28564061).

85692171 is a wasteful number, since it uses less digits than its factorization.

85692171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28564060.

The product of its digits is 30240, while the sum is 39.

The square root of 85692171 is about 9257.0065896055. The cubic root of 85692171 is about 440.8732159541.

The spelling of 85692171 in words is "eighty-five million, six hundred ninety-two thousand, one hundred seventy-one".