9711959712 has 384 divisors, whose sum is σ = 32339510784. Its totient is φ = 2484338688.

The previous prime is 9711959711. The next prime is 9711959723. The reversal of 9711959712 is 2179591179.

It is a super-2 number, since 2×9711959712² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9711959711) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61859538 + ... + 61859694.

It is an arithmetic number, because the mean of its divisors is an integer number (84217476).

Almost surely, 2^9711959712 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 9711959712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16169755392).

9711959712 is an abundant number, since it is smaller than the sum of its proper divisors (22627551072).

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

9711959712 is a wasteful number, since it uses less digits than its factorization.

9711959712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 352 counting only the distinct ones).

The product of its digits is 357210, while the sum is 51.

The square root of 9711959712 is about 98549.2755528928. The cubic root of 9711959712 is about 2133.5473749650.

The spelling of 9711959712 in words is "nine billion, seven hundred eleven million, nine hundred fifty-nine thousand, seven hundred twelve".