86316187 has 2 divisors, whose sum is σ = 86316188. Its totient is φ = 86316186.

The previous prime is 86316143. The next prime is 86316199. The reversal of 86316187 is 78161368.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86316187 - 2¹¹ = 86314139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86316287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43158093 + 43158094.

It is an arithmetic number, because the mean of its divisors is an integer number (43158094).

Almost surely, 2^86316187 is an apocalyptic number.

86316187 is a deficient number, since it is larger than the sum of its proper divisors (1).

86316187 is an equidigital number, since it uses as much as digits as its factorization.

86316187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 40.

The square root of 86316187 is about 9290.6505154375. The cubic root of 86316187 is about 441.9407846390.

The spelling of 86316187 in words is "eighty-six million, three hundred sixteen thousand, one hundred eighty-seven".