80321326828128 has 144 divisors (see below), whose sum is σ = 240439666783680. Its totient is φ = 25364195304192.

The previous prime is 80321326828123. The next prime is 80321326828151. The reversal of 80321326828128 is 82182862312308.

80321326828128 is a `hidden beast` number, since 8 + 0 + 32 + 1 + 326 + 8 + 281 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80321326828123) 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 23 ways as a sum of consecutive naturals, for example, 505330875 + ... + 505489797.

It is an arithmetic number, because the mean of its divisors is an integer number (1669719908220).

Almost surely, 2^{80321326828128} is an apocalyptic number.

It is an amenable number.

80321326828128 is an abundant number, since it is smaller than the sum of its proper divisors (160118339955552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80321326828128 is a wasteful number, since it uses less digits than its factorization.

80321326828128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251321 (or 251310 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 54.

The spelling of 80321326828128 in words is "eighty trillion, three hundred twenty-one billion, three hundred twenty-six million, eight hundred twenty-eight thousand, one hundred twenty-eight".