9808871424 has 256 divisors, whose sum is σ = 29292572160. Its totient is φ = 2894069760.

The previous prime is 9808871399. The next prime is 9808871437. The reversal of 9808871424 is 4241788089.

It is a tau number, because it is divible by the number of its divisors (256).

It is a super-2 number, since 2×9808871424² (a number of 21 digits) contains 22 as substring.

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, 50823072 + ... + 50823264.

It is an arithmetic number, because the mean of its divisors is an integer number (114424110).

Almost surely, 2^9808871424 is an apocalyptic number.

9808871424 is a gapful number since it is divisible by the number (94) 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 9808871424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14646286080).

9808871424 is an abundant number, since it is smaller than the sum of its proper divisors (19483700736).

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

9808871424 is a wasteful number, since it uses less digits than its factorization.

9808871424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The square root of 9808871424 is about 99039.7466878828. The cubic root of 9808871424 is about 2140.6205019300.

The spelling of 9808871424 in words is "nine billion, eight hundred eight million, eight hundred seventy-one thousand, four hundred twenty-four".