8500085 has 16 divisors (see below), whose sum is σ = 11783232. Its totient is φ = 5817600.

The previous prime is 8500081. The next prime is 8500099. The reversal of 8500085 is 5800058.

8500085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8500085 - 2² = 8500081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8500081) 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, 3611 + ... + 5480.

It is an arithmetic number, because the mean of its divisors is an integer number (736452).

Almost surely, 2^8500085 is an apocalyptic number.

8500085 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8500085 is a deficient number, since it is larger than the sum of its proper divisors (3283147).

8500085 is a wasteful number, since it uses less digits than its factorization.

8500085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9124.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 8500085 is about 2915.4905247659. The cubic root of 8500085 is about 204.0834353695.

The spelling of 8500085 in words is "eight million, five hundred thousand, eighty-five".