9881896320 has 192 divisors, whose sum is σ = 35387810640. Its totient is φ = 2635130880.

The previous prime is 9881896303. The next prime is 9881896337. The reversal of 9881896320 is 236981889.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9881896303) and next prime (9881896337).

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123750 + ... + 187290.

Almost surely, 2^9881896320 is an apocalyptic number.

9881896320 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 9881896320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17693905320).

9881896320 is an abundant number, since it is smaller than the sum of its proper divisors (25505914320).

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

9881896320 is an equidigital number, since it uses as much as digits as its factorization.

9881896320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63575 (or 63551 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The square root of 9881896320 is about 99407.7276674203. The cubic root of 9881896320 is about 2145.9195236045.

The spelling of 9881896320 in words is "nine billion, eight hundred eighty-one million, eight hundred ninety-six thousand, three hundred twenty".