9838834448782 has 16 divisors (see below), whose sum is σ = 14809432897872. Its totient is φ = 4902366513280.

The previous prime is 9838834448701. The next prime is 9838834448783. The reversal of 9838834448782 is 2878444388389.

It is a junction number, because it is equal to n+sod(n) for n = 9838834448699 and 9838834448708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9838834448783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391819 + ... + 4453222.

It is an arithmetic number, because the mean of its divisors is an integer number (925589556117).

Almost surely, 2^{9838834448782} is an apocalyptic number.

9838834448782 is a deficient number, since it is larger than the sum of its proper divisors (4970598449090).

9838834448782 is a wasteful number, since it uses less digits than its factorization.

9838834448782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4848563.

The product of its digits is 2378170368, while the sum is 76.

The spelling of 9838834448782 in words is "nine trillion, eight hundred thirty-eight billion, eight hundred thirty-four million, four hundred forty-eight thousand, seven hundred eighty-two".