86855271 has 4 divisors (see below), whose sum is σ = 115807032. Its totient is φ = 57903512.

The previous prime is 86855269. The next prime is 86855323. The reversal of 86855271 is 17255868.

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 86855271 - 2¹ = 86855269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86855231) 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, 14475876 + ... + 14475881.

It is an arithmetic number, because the mean of its divisors is an integer number (28951758).

Almost surely, 2^86855271 is an apocalyptic number.

86855271 is a deficient number, since it is larger than the sum of its proper divisors (28951761).

86855271 is a wasteful number, since it uses less digits than its factorization.

86855271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28951760.

The product of its digits is 134400, while the sum is 42.

The square root of 86855271 is about 9319.6175350708. The cubic root of 86855271 is about 442.8589165629.

The spelling of 86855271 in words is "eighty-six million, eight hundred fifty-five thousand, two hundred seventy-one".