85859271 has 40 divisors (see below), whose sum is σ = 137998080. Its totient is φ = 53028432.

The previous prime is 85859201. The next prime is 85859281. The reversal of 85859271 is 17295858.

It is a happy number.

85859271 is a `hidden beast` number, since 8 + 58 + 592 + 7 + 1 = 666.

It is not a de Polignac number, because 85859271 - 2⁷ = 85859143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85859201) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 71740 + ... + 72926.

It is an arithmetic number, because the mean of its divisors is an integer number (3449952).

Almost surely, 2^85859271 is an apocalyptic number.

85859271 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

85859271 is a deficient number, since it is larger than the sum of its proper divisors (52138809).

85859271 is a wasteful number, since it uses less digits than its factorization.

85859271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265 (or 1256 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The square root of 85859271 is about 9266.0277897274. The cubic root of 85859271 is about 441.1595979335.

The spelling of 85859271 in words is "eighty-five million, eight hundred fifty-nine thousand, two hundred seventy-one".