9721876360 has 192 divisors, whose sum is σ = 27063745920. Its totient is φ = 3123025920.

The previous prime is 9721876331. The next prime is 9721876369. The reversal of 9721876360 is 636781279.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (9721876369) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9429045 + ... + 9430075.

It is an arithmetic number, because the mean of its divisors is an integer number (140957010).

Almost surely, 2^9721876360 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 9721876360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13531872960).

9721876360 is an abundant number, since it is smaller than the sum of its proper divisors (17341869560).

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

9721876360 is a wasteful number, since it uses less digits than its factorization.

9721876360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356 (or 1345 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 9721876360 is about 98599.5758611567. The cubic root of 9721876360 is about 2134.2732992149.

The spelling of 9721876360 in words is "nine billion, seven hundred twenty-one million, eight hundred seventy-six thousand, three hundred sixty".