8505085211 has 8 divisors (see below), whose sum is σ = 9720718080. Its totient is φ = 7289607528.

The previous prime is 8505085181. The next prime is 8505085213. The reversal of 8505085211 is 1125805058.

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

It is not a de Polignac number, because 8505085211 - 2¹⁴ = 8505068827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8505085213) 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, 124460 + ... + 180278.

It is an arithmetic number, because the mean of its divisors is an integer number (1215089760).

Almost surely, 2^8505085211 is an apocalyptic number.

8505085211 is a deficient number, since it is larger than the sum of its proper divisors (1215632869).

8505085211 is a wasteful number, since it uses less digits than its factorization.

8505085211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77593.

The product of its (nonzero) digits is 16000, while the sum is 35.

The square root of 8505085211 is about 92223.0188781521. The cubic root of 8505085211 is about 2041.2344517355.

The spelling of 8505085211 in words is "eight billion, five hundred five million, eighty-five thousand, two hundred eleven".