9876226789 has 48 divisors (see below), whose sum is σ = 12440602944. Its totient is φ = 7761093120.

The previous prime is 9876226769. The next prime is 9876226837.

9876226789 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9876226789 - 2⁵ = 9876226757 is a prime.

It is a super-2 number, since 2×9876226789² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9876226789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9876226709) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6069394 + ... + 6071020.

It is an arithmetic number, because the mean of its divisors is an integer number (259179228).

Almost surely, 2^9876226789 is an apocalyptic number.

It is an amenable number.

9876226789 is a deficient number, since it is larger than the sum of its proper divisors (2564376155).

9876226789 is a wasteful number, since it uses less digits than its factorization.

9876226789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906 (or 1895 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 64.

The square root of 9876226789 is about 99379.2070254135. The cubic root of 9876226789 is about 2145.5090529708.

The spelling of 9876226789 in words is "nine billion, eight hundred seventy-six million, two hundred twenty-six thousand, seven hundred eighty-nine".