850823043839 has 4 divisors (see below), whose sum is σ = 850869194856. Its totient is φ = 850776892824.

The previous prime is 850823043823. The next prime is 850823043853. The reversal of 850823043839 is 938340328058.

850823043839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 850823043839 - 2⁴ = 850823043823 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 (850823013839) 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, 23047844 + ... + 23084729.

It is an arithmetic number, because the mean of its divisors is an integer number (212717298714).

Almost surely, 2^850823043839 is an apocalyptic number.

850823043839 is a deficient number, since it is larger than the sum of its proper divisors (46151017).

850823043839 is a wasteful number, since it uses less digits than its factorization.

850823043839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46151016.

The product of its (nonzero) digits is 4976640, while the sum is 53.

The spelling of 850823043839 in words is "eight hundred fifty billion, eight hundred twenty-three million, forty-three thousand, eight hundred thirty-nine".