86803169 has 2 divisors, whose sum is σ = 86803170. Its totient is φ = 86803168.

The previous prime is 86803163. The next prime is 86803201. The reversal of 86803169 is 96130868.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85803169 + 1000000 = 9263^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 86803169 - 2²⁴ = 70025953 is a prime.

It is a super-2 number, since 2×86803169² = 15069580296885122, 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 (86803163) 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, 43401584 + 43401585.

It is an arithmetic number, because the mean of its divisors is an integer number (43401585).

Almost surely, 2^86803169 is an apocalyptic number.

It is an amenable number.

86803169 is a deficient number, since it is larger than the sum of its proper divisors (1).

86803169 is an equidigital number, since it uses as much as digits as its factorization.

86803169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 86803169 is about 9316.8218293579. The cubic root of 86803169 is about 442.7703460390.

The spelling of 86803169 in words is "eighty-six million, eight hundred three thousand, one hundred sixty-nine".