988862886 has 24 divisors (see below), whose sum is σ = 2337312744. Its totient is φ = 299655360.

The previous prime is 988862881. The next prime is 988862947. The reversal of 988862886 is 688268889.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988862881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2496931 + ... + 2497326.

It is an arithmetic number, because the mean of its divisors is an integer number (97388031).

Almost surely, 2^988862886 is an apocalyptic number.

988862886 is an abundant number, since it is smaller than the sum of its proper divisors (1348449858).

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

988862886 is a wasteful number, since it uses less digits than its factorization.

988862886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4994276 (or 4994273 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 63.

The square root of 988862886 is about 31446.1903256976. The cubic root of 988862886 is about 996.2737610561.

The spelling of 988862886 in words is "nine hundred eighty-eight million, eight hundred sixty-two thousand, eight hundred eighty-six".