9988832821740 has 48 divisors (see below), whose sum is σ = 28153955316480. Its totient is φ = 2646048427200.

The previous prime is 9988832821739. The next prime is 9988832821741. The reversal of 9988832821740 is 471282388899.

It is an interprime number because it is at equal distance from previous prime (9988832821739) and next prime (9988832821741).

It is a super-2 number, since 2×9988832821740² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9988832821741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551251030 + ... + 551269149.

It is an arithmetic number, because the mean of its divisors is an integer number (586540735760).

Almost surely, 2^{9988832821740} is an apocalyptic number.

It is an amenable number.

9988832821740 is an abundant number, since it is smaller than the sum of its proper divisors (18165122494740).

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

9988832821740 is a wasteful number, since it uses less digits than its factorization.

9988832821740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102520342 (or 1102520340 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 69.

The spelling of 9988832821740 in words is "nine trillion, nine hundred eighty-eight billion, eight hundred thirty-two million, eight hundred twenty-one thousand, seven hundred forty".