988888886 has 8 divisors (see below), whose sum is σ = 1483657560. Its totient is φ = 494336368.

The previous prime is 988888867. The next prime is 988888891. The reversal of 988888886 is 688888889.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

988888886 is a strobogrammatic number because it is the same when read upside-down.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 42071 + ... + 61218.

It is an arithmetic number, because the mean of its divisors is an integer number (185457195).

Almost surely, 2^988888886 is an apocalyptic number.

988888886 is a deficient number, since it is larger than the sum of its proper divisors (494768674).

988888886 is a wasteful number, since it uses less digits than its factorization.

988888886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108078.

The product of its digits is 113246208, while the sum is 71.

The square root of 988888886 is about 31446.6037275888. The cubic root of 988888886 is about 996.2824925972.

The spelling of 988888886 in words is "nine hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-six".