9765664896 has 256 divisors, whose sum is σ = 28870732800. Its totient is φ = 2906050560.

The previous prime is 9765664877. The next prime is 9765664901. The reversal of 9765664896 is 6984665679.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20911255 + ... + 20911721.

It is an arithmetic number, because the mean of its divisors is an integer number (112776300).

Almost surely, 2^9765664896 is an apocalyptic number.

9765664896 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9765664896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14435366400).

9765664896 is an abundant number, since it is smaller than the sum of its proper divisors (19105067904).

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

9765664896 is a wasteful number, since it uses less digits than its factorization.

9765664896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 615 counting only the distinct ones).

The product of its digits is 117573120, while the sum is 66.

The square root of 9765664896 is about 98821.3787396229. The cubic root of 9765664896 is about 2137.4728441131.

The spelling of 9765664896 in words is "nine billion, seven hundred sixty-five million, six hundred sixty-four thousand, eight hundred ninety-six".