85743271 has 4 divisors (see below), whose sum is σ = 85772344. Its totient is φ = 85714200.

The previous prime is 85743263. The next prime is 85743289. The reversal of 85743271 is 17234758.

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 85743271 - 2³ = 85743263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85743271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85749271) 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, 9540 + ... + 16201.

It is an arithmetic number, because the mean of its divisors is an integer number (21443086).

Almost surely, 2^85743271 is an apocalyptic number.

85743271 is a deficient number, since it is larger than the sum of its proper divisors (29073).

85743271 is a wasteful number, since it uses less digits than its factorization.

85743271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29072.

The product of its digits is 47040, while the sum is 37.

The square root of 85743271 is about 9259.7662497495. The cubic root of 85743271 is about 440.9608324557.

The spelling of 85743271 in words is "eighty-five million, seven hundred forty-three thousand, two hundred seventy-one".