9876996789 has 32 divisors (see below), whose sum is σ = 15004044288. Its totient is φ = 5720880000.

The previous prime is 9876996751. The next prime is 9876996793.

It is a happy number.

9876996789 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9876996789 - 2⁸ = 9876996533 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9876996739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 997714 + ... + 1007564.

It is an arithmetic number, because the mean of its divisors is an integer number (468876384).

Almost surely, 2^9876996789 is an apocalyptic number.

It is an amenable number.

9876996789 is a deficient number, since it is larger than the sum of its proper divisors (5127047499).

9876996789 is a wasteful number, since it uses less digits than its factorization.

9876996789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11209.

The product of its digits is 740710656, while the sum is 78.

The square root of 9876996789 is about 99383.0809997356. The cubic root of 9876996789 is about 2145.5648097247.

The spelling of 9876996789 in words is "nine billion, eight hundred seventy-six million, nine hundred ninety-six thousand, seven hundred eighty-nine".