9808888089 has 128 divisors (see below), whose sum is σ = 18687836160. Its totient is φ = 4404326400.

The previous prime is 9808888049. The next prime is 9808888099.

9808888089 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9808888089 - 2⁹ = 9808887577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9808888049) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13834467 + ... + 13835175.

It is an arithmetic number, because the mean of its divisors is an integer number (145998720).

Almost surely, 2^9808888089 is an apocalyptic number.

It is an amenable number.

9808888089 is a deficient number, since it is larger than the sum of its proper divisors (8878948071).

9808888089 is a wasteful number, since it uses less digits than its factorization.

9808888089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031.

The product of its (nonzero) digits is 21233664, while the sum is 66.

The square root of 9808888089 is about 99039.8308207360. The cubic root of 9808888089 is about 2140.6217142142.

The spelling of 9808888089 in words is "nine billion, eight hundred eight million, eight hundred eighty-eight thousand, eighty-nine".