987312736 has 48 divisors (see below), whose sum is σ = 2023830144. Its totient is φ = 473693184.

The previous prime is 987312727. The next prime is 987312803. The reversal of 987312736 is 637213789.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80721 + ... + 92143.

It is an arithmetic number, because the mean of its divisors is an integer number (42163128).

Almost surely, 2^987312736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 987312736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1011915072).

987312736 is an abundant number, since it is smaller than the sum of its proper divisors (1036517408).

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

987312736 is a wasteful number, since it uses less digits than its factorization.

987312736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11543 (or 11535 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 987312736 is about 31421.5329988847. The cubic root of 987312736 is about 995.7528996750.

The spelling of 987312736 in words is "nine hundred eighty-seven million, three hundred twelve thousand, seven hundred thirty-six".