86287 has 2 divisors, whose sum is σ = 86288. Its totient is φ = 86286.

The previous prime is 86269. The next prime is 86291. The reversal of 86287 is 78268.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86287 - 2¹¹ = 84239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43143 + 43144.

It is an arithmetic number, because the mean of its divisors is an integer number (43144).

2⁸⁶²⁸⁷ is an apocalyptic number.

86287 is a deficient number, since it is larger than the sum of its proper divisors (1).

86287 is an equidigital number, since it uses as much as digits as its factorization.

86287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 31.

The square root of 86287 is about 293.7464893407. The cubic root of 86287 is about 44.1890966328.

It can be divided in two parts, 862 and 87, that added together give a palindrome (949).

The spelling of 86287 in words is "eighty-six thousand, two hundred eighty-seven".