9873826791 has 12 divisors (see below), whose sum is σ = 13762387128. Its totient is φ = 6296352304.

The previous prime is 9873826769. The next prime is 9873826799. The reversal of 9873826791 is 1976283789.

9873826791 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 9873826791 - 2⁵ = 9873826759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9873826799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3109260 + ... + 3112433.

It is an arithmetic number, because the mean of its divisors is an integer number (1146865594).

Almost surely, 2^9873826791 is an apocalyptic number.

9873826791 is a deficient number, since it is larger than the sum of its proper divisors (3888560337).

9873826791 is a wasteful number, since it uses less digits than its factorization.

9873826791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6221742 (or 6221719 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 60.

The square root of 9873826791 is about 99367.1313413042. The cubic root of 9873826791 is about 2145.3352472350.

The spelling of 9873826791 in words is "nine billion, eight hundred seventy-three million, eight hundred twenty-six thousand, seven hundred ninety-one".