988998899889 has 256 divisors, whose sum is σ = 1941945384960. Its totient is φ = 431101440000.

The previous prime is 988998899881. The next prime is 988998899897.

988998899889 is nontrivially palindromic in base 10.

988998899889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (988998899881) and next prime (988998899897).

It is not a de Polignac number, because 988998899889 - 2³ = 988998899881 is a prime.

988998899889 is a modest number, since divided by 98899889 gives 9889 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 988998899793 and 988998899802.

It is not an unprimeable number, because it can be changed into a prime (988998899881) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 99883839 + ... + 99893739.

It is an arithmetic number, because the mean of its divisors is an integer number (7585724160).

Almost surely, 2^988998899889 is an apocalyptic number.

It is an amenable number.

988998899889 is a deficient number, since it is larger than the sum of its proper divisors (952946485071).

988998899889 is a wasteful number, since it uses less digits than its factorization.

988998899889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10032.

The product of its digits is 139314069504, while the sum is 102.

The spelling of 988998899889 in words is "nine hundred eighty-eight billion, nine hundred ninety-eight million, eight hundred ninety-nine thousand, eight hundred eighty-nine".