86904163 has 2 divisors, whose sum is σ = 86904164. Its totient is φ = 86904162.

The previous prime is 86904149. The next prime is 86904179. The reversal of 86904163 is 36140968.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86904163 - 2⁵ = 86904131 is a prime.

It is not a weakly prime, because it can be changed into another prime (86904113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43452081 + 43452082.

It is an arithmetic number, because the mean of its divisors is an integer number (43452082).

Almost surely, 2^86904163 is an apocalyptic number.

86904163 is a deficient number, since it is larger than the sum of its proper divisors (1).

86904163 is an equidigital number, since it uses as much as digits as its factorization.

86904163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 86904163 is about 9322.2402350508. The cubic root of 86904163 is about 442.9419980554.

The spelling of 86904163 in words is "eighty-six million, nine hundred four thousand, one hundred sixty-three".