86165017 has 2 divisors, whose sum is σ = 86165018. Its totient is φ = 86165016.

The previous prime is 86164999. The next prime is 86165021. The reversal of 86165017 is 71056168.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84989961 + 1175056 = 9219^2 + 1084^2 .

It is a cyclic number.

It is not a de Polignac number, because 86165017 - 2⁷ = 86164889 is a prime.

It is a super-2 number, since 2×86165017² = 14848820309220578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86165117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43082508 + 43082509.

It is an arithmetic number, because the mean of its divisors is an integer number (43082509).

Almost surely, 2^86165017 is an apocalyptic number.

It is an amenable number.

86165017 is a deficient number, since it is larger than the sum of its proper divisors (1).

86165017 is an equidigital number, since it uses as much as digits as its factorization.

86165017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 86165017 is about 9282.5113519995. The cubic root of 86165017 is about 441.6826359639.

The spelling of 86165017 in words is "eighty-six million, one hundred sixty-five thousand, seventeen".