850084091 has 4 divisors (see below), whose sum is σ = 860326152. Its totient is φ = 839842032.

The previous prime is 850084087. The next prime is 850084097. The reversal of 850084091 is 190480058.

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

It is a cyclic number.

It is not a de Polignac number, because 850084091 - 2² = 850084087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (850084097) 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, 5120906 + ... + 5121071.

It is an arithmetic number, because the mean of its divisors is an integer number (215081538).

Almost surely, 2^850084091 is an apocalyptic number.

850084091 is a deficient number, since it is larger than the sum of its proper divisors (10242061).

850084091 is a wasteful number, since it uses less digits than its factorization.

850084091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10242060.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 850084091 is about 29156.2015873124. The cubic root of 850084091 is about 947.2994740905.

The spelling of 850084091 in words is "eight hundred fifty million, eighty-four thousand, ninety-one".