9885028198880 has 96 divisors (see below), whose sum is σ = 23687173440000. Its totient is φ = 3897518768640.

The previous prime is 9885028198867. The next prime is 9885028198891. The reversal of 9885028198880 is 888918205889.

It is a junction number, because it is equal to n+sod(n) for n = 9885028198798 and 9885028198807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56701607 + ... + 56875673.

It is an arithmetic number, because the mean of its divisors is an integer number (246741390000).

Almost surely, 2^{9885028198880} 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 9885028198880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11843586720000).

9885028198880 is an abundant number, since it is smaller than the sum of its proper divisors (13802145241120).

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

9885028198880 is a wasteful number, since it uses less digits than its factorization.

9885028198880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179152 (or 179144 counting only the distinct ones).

The product of its (nonzero) digits is 212336640, while the sum is 74.

The spelling of 9885028198880 in words is "nine trillion, eight hundred eighty-five billion, twenty-eight million, one hundred ninety-eight thousand, eight hundred eighty".