86316287 has 2 divisors, whose sum is σ = 86316288. Its totient is φ = 86316286.

The previous prime is 86316239. The next prime is 86316289. The reversal of 86316287 is 78261368.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86316287 - 2¹⁰ = 86315263 is a prime.

Together with 86316289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86316289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43158143 + 43158144.

It is an arithmetic number, because the mean of its divisors is an integer number (43158144).

Almost surely, 2^86316287 is an apocalyptic number.

86316287 is a deficient number, since it is larger than the sum of its proper divisors (1).

86316287 is an equidigital number, since it uses as much as digits as its factorization.

86316287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 86316287 is about 9290.6558971905. The cubic root of 86316287 is about 441.9409553063.

The spelling of 86316287 in words is "eighty-six million, three hundred sixteen thousand, two hundred eighty-seven".