86538163 has 2 divisors, whose sum is σ = 86538164. Its totient is φ = 86538162.

The previous prime is 86538161. The next prime is 86538173. The reversal of 86538163 is 36183568.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86538163 - 2¹ = 86538161 is a prime.

Together with 86538161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (86538161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43269081 + 43269082.

It is an arithmetic number, because the mean of its divisors is an integer number (43269082).

Almost surely, 2^86538163 is an apocalyptic number.

86538163 is a deficient number, since it is larger than the sum of its proper divisors (1).

86538163 is an equidigital number, since it uses as much as digits as its factorization.

86538163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 40.

The square root of 86538163 is about 9302.5890482166. The cubic root of 86538163 is about 442.3193010271.

The spelling of 86538163 in words is "eighty-six million, five hundred thirty-eight thousand, one hundred sixty-three".