84065844317 has 16 divisors (see below), whose sum is σ = 103473175680. Its totient is φ = 66508800192.

The previous prime is 84065844301. The next prime is 84065844319. The reversal of 84065844317 is 71344856048.

It is a cyclic number.

It is not a de Polignac number, because 84065844317 - 2⁴ = 84065844301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84065844319) 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, 1733198 + ... + 1781040.

It is an arithmetic number, because the mean of its divisors is an integer number (6467073480).

Almost surely, 2^84065844317 is an apocalyptic number.

It is an amenable number.

84065844317 is a deficient number, since it is larger than the sum of its proper divisors (19407331363).

84065844317 is a wasteful number, since it uses less digits than its factorization.

84065844317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67172.

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 84065844317 in words is "eighty-four billion, sixty-five million, eight hundred forty-four thousand, three hundred seventeen".