9898388236800 has 2160 divisors, whose sum is σ = 42905646175392. Its totient is φ = 2171009433600.

The previous prime is 9898388236777. The next prime is 9898388236801. The reversal of 9898388236800 is 86328838989.

9898388236800 is a `hidden beast` number, since 9 + 8 + 9 + 8 + 388 + 236 + 8 + 0 + 0 = 666.

It is a super-2 number, since 2×9898388236800² (a number of 27 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (9898388236801) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 17335180515 + ... + 17335181085.

Almost surely, 2^{9898388236800} is an apocalyptic number.

9898388236800 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9898388236800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21452823087696).

9898388236800 is an abundant number, since it is smaller than the sum of its proper divisors (33007257938592).

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

9898388236800 is a wasteful number, since it uses less digits than its factorization.

9898388236800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 286654464, while the sum is 72.

The spelling of 9898388236800 in words is "nine trillion, eight hundred ninety-eight billion, three hundred eighty-eight million, two hundred thirty-six thousand, eight hundred".