86816017 has 2 divisors, whose sum is σ = 86816018. Its totient is φ = 86816016.

The previous prime is 86815973. The next prime is 86816021. The reversal of 86816017 is 71061868.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81793936 + 5022081 = 9044^2 + 2241^2 .

It is a cyclic number.

It is not a de Polignac number, because 86816017 - 2¹⁹ = 86291729 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86816047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43408008 + 43408009.

It is an arithmetic number, because the mean of its divisors is an integer number (43408009).

Almost surely, 2^86816017 is an apocalyptic number.

It is an amenable number.

86816017 is a deficient number, since it is larger than the sum of its proper divisors (1).

86816017 is an equidigital number, since it uses as much as digits as its factorization.

86816017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 86816017 is about 9317.5113093572. The cubic root of 86816017 is about 442.7921902213.

The spelling of 86816017 in words is "eighty-six million, eight hundred sixteen thousand, seventeen".