8008480081921 has 12 divisors (see below), whose sum is σ = 8803532927700. Its totient is φ = 7279755417440.

The previous prime is 8008480081879. The next prime is 8008480081949. The reversal of 8008480081921 is 1291800848008.

It can be written as a sum of positive squares in 2 ways, for example, as 4057485062400 + 3950995019521 = 2014320^2 + 1987711^2 .

It is not a de Polignac number, because 8008480081921 - 2²¹ = 8008477984769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8008480081961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1794406 + ... + 4385983.

It is an arithmetic number, because the mean of its divisors is an integer number (733627743975).

Almost surely, 2^{8008480081921} is an apocalyptic number.

It is an amenable number.

8008480081921 is a deficient number, since it is larger than the sum of its proper divisors (795052845779).

8008480081921 is a wasteful number, since it uses less digits than its factorization.

8008480081921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6191120 (or 6191109 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 49.

The spelling of 8008480081921 in words is "eight trillion, eight billion, four hundred eighty million, eighty-one thousand, nine hundred twenty-one".