9117689210880 has 384 divisors, whose sum is σ = 31453696310400. Its totient is φ = 2247229440000.

The previous prime is 9117689210879. The next prime is 9117689210887. The reversal of 9117689210880 is 880129867119.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×9117689210880² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (9117689210887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23740380 + ... + 24121380.

It is an arithmetic number, because the mean of its divisors is an integer number (81910667475).

Almost surely, 2^{9117689210880} 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 9117689210880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15726848155200).

9117689210880 is an abundant number, since it is smaller than the sum of its proper divisors (22336007099520).

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

9117689210880 is a wasteful number, since it uses less digits than its factorization.

9117689210880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381091 (or 381071 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 60.

The spelling of 9117689210880 in words is "nine trillion, one hundred seventeen billion, six hundred eighty-nine million, two hundred ten thousand, eight hundred eighty".