9987280704 has 168 divisors, whose sum is σ = 29138380128. Its totient is φ = 3270159360.

The previous prime is 9987280703. The next prime is 9987280741. The reversal of 9987280704 is 4070827899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9987280703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8073174 + ... + 8074410.

Almost surely, 2^9987280704 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 9987280704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14569190064).

9987280704 is an abundant number, since it is smaller than the sum of its proper divisors (19151099424).

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

9987280704 is a wasteful number, since it uses less digits than its factorization.

9987280704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 9987280704 is about 99936.3832845676. The cubic root of 9987280704 is about 2153.5208727340.

The spelling of 9987280704 in words is "nine billion, nine hundred eighty-seven million, two hundred eighty thousand, seven hundred four".