86023169 has 2 divisors, whose sum is σ = 86023170. Its totient is φ = 86023168.

The previous prime is 86023141. The next prime is 86023183. The reversal of 86023169 is 96132068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84364225 + 1658944 = 9185^2 + 1288^2 .

It is a cyclic number.

It is not a de Polignac number, because 86023169 - 2⁸ = 86022913 is a prime.

It is a super-2 number, since 2×86023169² = 14799971209605122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (86023139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43011584 + 43011585.

It is an arithmetic number, because the mean of its divisors is an integer number (43011585).

Almost surely, 2^86023169 is an apocalyptic number.

It is an amenable number.

86023169 is a deficient number, since it is larger than the sum of its proper divisors (1).

86023169 is an equidigital number, since it uses as much as digits as its factorization.

86023169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 86023169 is about 9274.8676001332. The cubic root of 86023169 is about 441.4401314762.

The spelling of 86023169 in words is "eighty-six million, twenty-three thousand, one hundred sixty-nine".