9942198876 has 240 divisors, whose sum is σ = 28924711200. Its totient is φ = 2963423232.

The previous prime is 9942198869. The next prime is 9942198881. The reversal of 9942198876 is 6788912499.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 10701580 + ... + 10702508.

It is an arithmetic number, because the mean of its divisors is an integer number (120519630).

Almost surely, 2^9942198876 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 9942198876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14462355600).

9942198876 is an abundant number, since it is smaller than the sum of its proper divisors (18982512324).

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

9942198876 is a wasteful number, since it uses less digits than its factorization.

9942198876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058 (or 1047 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 63.

The square root of 9942198876 is about 99710.5755474313. The cubic root of 9942198876 is about 2150.2757083600.

The spelling of 9942198876 in words is "nine billion, nine hundred forty-two million, one hundred ninety-eight thousand, eight hundred seventy-six".