8989889898 has 32 divisors (see below), whose sum is σ = 19617772032. Its totient is φ = 2723727600.

The previous prime is 8989889879. The next prime is 8989889899.

8989889898 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 8989889898.

It is not an unprimeable number, because it can be changed into a prime (8989889899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592515 + ... + 607497.

It is an arithmetic number, because the mean of its divisors is an integer number (613055376).

Almost surely, 2^8989889898 is an apocalyptic number.

8989889898 is an abundant number, since it is smaller than the sum of its proper divisors (10627882134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8989889898 is a wasteful number, since it uses less digits than its factorization.

8989889898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24090.

The product of its digits is 1719926784, while the sum is 84.

The square root of 8989889898 is about 94815.0299161478. The cubic root of 8989889898 is about 2079.3046475285.

The spelling of 8989889898 in words is "eight billion, nine hundred eighty-nine million, eight hundred eighty-nine thousand, eight hundred ninety-eight".