85854163 has 4 divisors (see below), whose sum is σ = 85882248. Its totient is φ = 85826080.

The previous prime is 85854157. The next prime is 85854169. The reversal of 85854163 is 36145858.

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

It is an interprime number because it is at equal distance from previous prime (85854157) and next prime (85854169).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85854163 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85854169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8806 + ... + 15787.

It is an arithmetic number, because the mean of its divisors is an integer number (21470562).

Almost surely, 2^85854163 is an apocalyptic number.

85854163 is a deficient number, since it is larger than the sum of its proper divisors (28085).

85854163 is a wasteful number, since it uses less digits than its factorization.

85854163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28084.

The product of its digits is 115200, while the sum is 40.

The square root of 85854163 is about 9265.7521551140. The cubic root of 85854163 is about 441.1508491679.

The spelling of 85854163 in words is "eighty-five million, eight hundred fifty-four thousand, one hundred sixty-three".