9976655500 has 96 divisors (see below), whose sum is σ = 25082104320. Its totient is φ = 3395793600.

The previous prime is 9976655483. The next prime is 9976655537. The reversal of 9976655500 is 55566799.

9976655500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 476247 + ... + 496753.

It is an arithmetic number, because the mean of its divisors is an integer number (261271920).

Almost surely, 2^9976655500 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 9976655500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12541052160).

9976655500 is an abundant number, since it is smaller than the sum of its proper divisors (15105448820).

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

9976655500 is a wasteful number, since it uses less digits than its factorization.

9976655500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20672 (or 20660 counting only the distinct ones).

The product of its (nonzero) digits is 2551500, while the sum is 52.

The square root of 9976655500 is about 99883.2092996616. The cubic root of 9976655500 is about 2152.7569104356.

The spelling of 9976655500 in words is "nine billion, nine hundred seventy-six million, six hundred fifty-five thousand, five hundred".