9896612736 has 64 divisors (see below), whose sum is σ = 26392867200. Its totient is φ = 3285696000.

The previous prime is 9896612717. The next prime is 9896612749. The reversal of 9896612736 is 6372166989.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45045 + ... + 147723.

It is an arithmetic number, because the mean of its divisors is an integer number (412388550).

Almost surely, 2^9896612736 is an apocalyptic number.

9896612736 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 9896612736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13196433600).

9896612736 is an abundant number, since it is smaller than the sum of its proper divisors (16496254464).

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

9896612736 is a wasteful number, since it uses less digits than its factorization.

9896612736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102947 (or 102935 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 57.

The square root of 9896612736 is about 99481.7206123819. The cubic root of 9896612736 is about 2146.9842511156.

The spelling of 9896612736 in words is "nine billion, eight hundred ninety-six million, six hundred twelve thousand, seven hundred thirty-six".