9898882560 has 640 divisors, whose sum is σ = 41247360000. Its totient is φ = 2202992640.

The previous prime is 9898882549. The next prime is 9898882573. The reversal of 9898882560 is 652888989.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19837191 + ... + 19837689.

It is an arithmetic number, because the mean of its divisors is an integer number (64449000).

Almost surely, 2^9898882560 is an apocalyptic number.

9898882560 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 9898882560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20623680000).

9898882560 is an abundant number, since it is smaller than the sum of its proper divisors (31348477440).

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

9898882560 is a wasteful number, since it uses less digits than its factorization.

9898882560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 63.

The square root of 9898882560 is about 99493.1282049167. The cubic root of 9898882560 is about 2147.1483781084.

The spelling of 9898882560 in words is "nine billion, eight hundred ninety-eight million, eight hundred eighty-two thousand, five hundred sixty".