9198775738880 has 1600 divisors, whose sum is σ = 29923268538240. Its totient is φ = 2687481151488.

The previous prime is 9198775738871. The next prime is 9198775738903. The reversal of 9198775738880 is 888375778919.

It is a Harshad number since it is a multiple of its sum of digits (80).

It is a junction number, because it is equal to n+sod(n) for n = 9198775738795 and 9198775738804.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 110828623319 + ... + 110828623401.

Almost surely, 2^{9198775738880} 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 9198775738880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14961634269120).

9198775738880 is an abundant number, since it is smaller than the sum of its proper divisors (20724492799360).

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

9198775738880 is an equidigital number, since it uses as much as digits as its factorization.

9198775738880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 1706987520, while the sum is 80.

The spelling of 9198775738880 in words is "nine trillion, one hundred ninety-eight billion, seven hundred seventy-five million, seven hundred thirty-eight thousand, eight hundred eighty".