9976309984 has 48 divisors (see below), whose sum is σ = 20518686720. Its totient is φ = 4765720960.

The previous prime is 9976309951. The next prime is 9976309999. The reversal of 9976309984 is 4899036799.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 663057 + ... + 677935.

It is an arithmetic number, because the mean of its divisors is an integer number (427472640).

Almost surely, 2^9976309984 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 9976309984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10259343360).

9976309984 is an abundant number, since it is smaller than the sum of its proper divisors (10542376736).

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

9976309984 is a wasteful number, since it uses less digits than its factorization.

9976309984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15823 (or 15815 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 64.

The square root of 9976309984 is about 99881.4796846743. The cubic root of 9976309984 is about 2152.7320584016.

The spelling of 9976309984 in words is "nine billion, nine hundred seventy-six million, three hundred nine thousand, nine hundred eighty-four".