86685271 has 2 divisors, whose sum is σ = 86685272. Its totient is φ = 86685270.

The previous prime is 86685253. The next prime is 86685317. The reversal of 86685271 is 17258668.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86685271 - 2⁷ = 86685143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86685241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43342635 + 43342636.

It is an arithmetic number, because the mean of its divisors is an integer number (43342636).

Almost surely, 2^86685271 is an apocalyptic number.

86685271 is a deficient number, since it is larger than the sum of its proper divisors (1).

86685271 is an equidigital number, since it uses as much as digits as its factorization.

86685271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 43.

The square root of 86685271 is about 9310.4925218809. The cubic root of 86685271 is about 442.5697950277.

The spelling of 86685271 in words is "eighty-six million, six hundred eighty-five thousand, two hundred seventy-one".