9888882888889 has 4 divisors (see below), whose sum is σ = 9894117873780. Its totient is φ = 9883647904000.

The previous prime is 9888882888881. The next prime is 9888882888931.

It is a happy number.

9888882888889 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4182875763264 + 5706007125625 = 2045208^2 + 2388725^2 .

It is a cyclic number.

It is not a de Polignac number, because 9888882888889 - 2³ = 9888882888881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9888882888794 and 9888882888803.

It is not an unprimeable number, because it can be changed into a prime (9888882888881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2617489612 + ... + 2617493389.

It is an arithmetic number, because the mean of its divisors is an integer number (2473529468445).

Almost surely, 2^{9888882888889} is an apocalyptic number.

It is an amenable number.

9888882888889 is a deficient number, since it is larger than the sum of its proper divisors (5234984891).

9888882888889 is a wasteful number, since it uses less digits than its factorization.

9888882888889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5234984890.

The product of its digits is 173946175488, while the sum is 100.

The spelling of 9888882888889 in words is "nine trillion, eight hundred eighty-eight billion, eight hundred eighty-two million, eight hundred eighty-eight thousand, eight hundred eighty-nine".