85986163 has 4 divisors (see below), whose sum is σ = 86789880. Its totient is φ = 85182448.

The previous prime is 85986161. The next prime is 85986169. The reversal of 85986163 is 36168958.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85986163 - 2¹ = 85986161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85986161) 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 in 3 ways as a sum of consecutive naturals, for example, 401698 + ... + 401911.

It is an arithmetic number, because the mean of its divisors is an integer number (21697470).

Almost surely, 2^85986163 is an apocalyptic number.

85986163 is a deficient number, since it is larger than the sum of its proper divisors (803717).

85986163 is a wasteful number, since it uses less digits than its factorization.

85986163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803716.

The product of its digits is 311040, while the sum is 46.

The square root of 85986163 is about 9272.8724244432. The cubic root of 85986163 is about 441.3768218789.

The spelling of 85986163 in words is "eighty-five million, nine hundred eighty-six thousand, one hundred sixty-three".