998888888886 has 32 divisors (see below), whose sum is σ = 2284150126848. Its totient is φ = 285274884960.

The previous prime is 998888888873. The next prime is 998888888941. The reversal of 998888888886 is 688888888899.

998888888886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 998888888793 and 998888888802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4981360 + ... + 5178003.

It is an arithmetic number, because the mean of its divisors is an integer number (71379691464).

Almost surely, 2^998888888886 is an apocalyptic number.

998888888886 is an abundant number, since it is smaller than the sum of its proper divisors (1285261237962).

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

998888888886 is a wasteful number, since it uses less digits than its factorization.

998888888886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10161716.

The product of its digits is 65229815808, while the sum is 96.

The spelling of 998888888886 in words is "nine hundred ninety-eight billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-six".