989875116 has 36 divisors (see below), whose sum is σ = 2649373272. Its totient is φ = 310548864.

The previous prime is 989875079. The next prime is 989875151. The reversal of 989875116 is 611578989.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 808110 + ... + 809333.

It is an arithmetic number, because the mean of its divisors is an integer number (73593702).

Almost surely, 2^989875116 is an apocalyptic number.

It is an amenable number.

989875116 is an abundant number, since it is smaller than the sum of its proper divisors (1659498156).

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

989875116 is a wasteful number, since it uses less digits than its factorization.

989875116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617470 (or 1617465 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 54.

The square root of 989875116 is about 31462.2808454823. The cubic root of 989875116 is about 996.6135837969.

The spelling of 989875116 in words is "nine hundred eighty-nine million, eight hundred seventy-five thousand, one hundred sixteen".