9980677326841 has 27 divisors (see below), whose sum is σ = 10960847240679. Its totient is φ = 9083998789632.

The previous prime is 9980677326839. The next prime is 9980677326923. The reversal of 9980677326841 is 1486237760899.

It is a happy number.

The square root of 9980677326841 is 3159221.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 8795845076841 + 1184832250000 = 2965779^2 + 1088500^2 .

It is not a de Polignac number, because 9980677326841 - 2¹ = 9980677326839 is a prime.

It is a super-4 number, since 4×9980677326841⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9980677326541) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2998099065 + ... + 2998102393.

Almost surely, 2^{9980677326841} is an apocalyptic number.

9980677326841 is the 3159221-st square number.

9980677326841 is the 1579611-st centered octagonal number.

It is an amenable number.

9980677326841 is a deficient number, since it is larger than the sum of its proper divisors (980169913838).

9980677326841 is an frugal number, since it uses more digits than its factorization.

9980677326841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6830 (or 3415 counting only the distinct ones).

The product of its (nonzero) digits is 219469824, while the sum is 70.

The spelling of 9980677326841 in words is "nine trillion, nine hundred eighty billion, six hundred seventy-seven million, three hundred twenty-six thousand, eight hundred forty-one".