9896037581808 has 960 divisors, whose sum is σ = 34585690374144. Its totient is φ = 2581383168000.

The previous prime is 9896037581779. The next prime is 9896037581813. The reversal of 9896037581808 is 8081857306989.

9896037581808 is a `hidden beast` number, since 9 + 8 + 9 + 6 + 0 + 37 + 581 + 8 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9054013710 + ... + 9054014802.

Almost surely, 2^{9896037581808} 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 9896037581808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17292845187072).

9896037581808 is an abundant number, since it is smaller than the sum of its proper divisors (24689652792336).

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

9896037581808 is a wasteful number, since it uses less digits than its factorization.

9896037581808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 72.

The spelling of 9896037581808 in words is "nine trillion, eight hundred ninety-six billion, thirty-seven million, five hundred eighty-one thousand, eight hundred eight".