9988832821804 has 12 divisors (see below), whose sum is σ = 17545440553200. Its totient is φ = 4975849806608.

The previous prime is 9988832821789. The next prime is 9988832821841. The reversal of 9988832821804 is 4081282388899.

It is a super-2 number, since 2×9988832821804² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4641649864 + ... + 4641652015.

It is an arithmetic number, because the mean of its divisors is an integer number (1462120046100).

Almost surely, 2^{9988832821804} is an apocalyptic number.

It is an amenable number.

9988832821804 is a deficient number, since it is larger than the sum of its proper divisors (7556607731396).

9988832821804 is a wasteful number, since it uses less digits than its factorization.

9988832821804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9283302152 (or 9283302150 counting only the distinct ones).

The product of its (nonzero) digits is 127401984, while the sum is 70.

The spelling of 9988832821804 in words is "nine trillion, nine hundred eighty-eight billion, eight hundred thirty-two million, eight hundred twenty-one thousand, eight hundred four".