85106217 has 16 divisors (see below), whose sum is σ = 130307072. Its totient is φ = 48399120.

The previous prime is 85106207. The next prime is 85106239. The reversal of 85106217 is 71260158.

It is not a de Polignac number, because 85106217 - 2¹⁰ = 85105193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85106207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5173 + ... + 14034.

It is an arithmetic number, because the mean of its divisors is an integer number (8144192).

Almost surely, 2^85106217 is an apocalyptic number.

It is an amenable number.

85106217 is a deficient number, since it is larger than the sum of its proper divisors (45200855).

85106217 is a wasteful number, since it uses less digits than its factorization.

85106217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19428.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 85106217 is about 9225.3030844520. The cubic root of 85106217 is about 439.8660353185.

The spelling of 85106217 in words is "eighty-five million, one hundred six thousand, two hundred seventeen".