85187163 has 8 divisors (see below), whose sum is σ = 117246976. Its totient is φ = 54959400.

The previous prime is 85187161. The next prime is 85187173. The reversal of 85187163 is 36178158.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85187163 - 2¹ = 85187161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85187161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457903 + ... + 458088.

It is an arithmetic number, because the mean of its divisors is an integer number (14655872).

Almost surely, 2^85187163 is an apocalyptic number.

85187163 is a deficient number, since it is larger than the sum of its proper divisors (32059813).

85187163 is a wasteful number, since it uses less digits than its factorization.

85187163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916025.

The product of its digits is 40320, while the sum is 39.

The square root of 85187163 is about 9229.6892147027. The cubic root of 85187163 is about 440.0054458692.

The spelling of 85187163 in words is "eighty-five million, one hundred eighty-seven thousand, one hundred sixty-three".