9800935981888 has 28 divisors (see below), whose sum is σ = 19448862295492. Its totient is φ = 4900435246080.

The previous prime is 9800935981883. The next prime is 9800935981919. The reversal of 9800935981888 is 8881895390089.

It can be written as a sum of positive squares in 2 ways, for example, as 3067990458624 + 6732945523264 = 1751568^2 + 2594792^2 .

It is a super-2 number, since 2×9800935981888² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9800935981883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11230006 + ... + 12071242.

It is an arithmetic number, because the mean of its divisors is an integer number (694602224839).

Almost surely, 2^{9800935981888} is an apocalyptic number.

It is an amenable number.

9800935981888 is a deficient number, since it is larger than the sum of its proper divisors (9647926313604).

9800935981888 is a wasteful number, since it uses less digits than its factorization.

9800935981888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023290 (or 1023280 counting only the distinct ones).

The product of its (nonzero) digits is 358318080, while the sum is 76.

The spelling of 9800935981888 in words is "nine trillion, eight hundred billion, nine hundred thirty-five million, nine hundred eighty-one thousand, eight hundred eighty-eight".