987985116 has 36 divisors (see below), whose sum is σ = 2500321824. Its totient is φ = 328944000.

The previous prime is 987985109. The next prime is 987985129. The reversal of 987985116 is 611589789.

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

It is a super-2 number, since 2×987985116² = 1952229178875066912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16141 + ... + 47291.

It is an arithmetic number, because the mean of its divisors is an integer number (69453384).

Almost surely, 2^987985116 is an apocalyptic number.

It is an amenable number.

987985116 is an abundant number, since it is smaller than the sum of its proper divisors (1512336708).

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

987985116 is a wasteful number, since it uses less digits than its factorization.

987985116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32042 (or 32037 counting only the distinct ones).

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

The square root of 987985116 is about 31432.2305285514. The cubic root of 987985116 is about 995.9788910221.

The spelling of 987985116 in words is "nine hundred eighty-seven million, nine hundred eighty-five thousand, one hundred sixteen".