9984089577121 has 9 divisors (see below), whose sum is σ = 10974285425649. Its totient is φ = 9076413472500.

The previous prime is 9984089577107. The next prime is 9984089577131. The reversal of 9984089577121 is 1217759804899.

The square root of 9984089577121 is 3159761.

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

It is not a de Polignac number, because 9984089577121 - 2¹⁷ = 9984089446049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9984089577131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 34613746 + ... + 34900996.

Almost surely, 2^{9984089577121} is an apocalyptic number.

9984089577121 is the 3159761-st square number.

9984089577121 is the 1579881-st centered octagonal number.

It is an amenable number.

9984089577121 is a deficient number, since it is larger than the sum of its proper divisors (990195848528).

9984089577121 is an frugal number, since it uses more digits than its factorization.

9984089577121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574524 (or 287262 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 70.

The spelling of 9984089577121 in words is "nine trillion, nine hundred eighty-four billion, eighty-nine million, five hundred seventy-seven thousand, one hundred twenty-one".