9868888689 has 16 divisors (see below), whose sum is σ = 14406582720. Its totient is φ = 5959546560.

The previous prime is 9868888663. The next prime is 9868888693.

9868888689 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9868888689 - 2²¹ = 9866791537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9868888489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530674 + ... + 548955.

It is an arithmetic number, because the mean of its divisors is an integer number (900411420).

Almost surely, 2^9868888689 is an apocalyptic number.

It is an amenable number.

9868888689 is a deficient number, since it is larger than the sum of its proper divisors (4537694031).

9868888689 is a wasteful number, since it uses less digits than its factorization.

9868888689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079920.

The product of its digits is 764411904, while the sum is 78.

The square root of 9868888689 is about 99342.2804700999. The cubic root of 9868888689 is about 2144.9775456379.

The spelling of 9868888689 in words is "nine billion, eight hundred sixty-eight million, eight hundred eighty-eight thousand, six hundred eighty-nine".