80028067575221 has 2 divisors, whose sum is σ = 80028067575222. Its totient is φ = 80028067575220.

The previous prime is 80028067575217. The next prime is 80028067575227. The reversal of 80028067575221 is 12257576082008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63427446298225 + 16600621276996 = 7964135^2 + 4074386^2 .

It is a cyclic number.

It is not a de Polignac number, because 80028067575221 - 2² = 80028067575217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80028067575227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40014033787610 + 40014033787611.

It is an arithmetic number, because the mean of its divisors is an integer number (40014033787611).

Almost surely, 2^{80028067575221} is an apocalyptic number.

It is an amenable number.

80028067575221 is a deficient number, since it is larger than the sum of its proper divisors (1).

80028067575221 is an equidigital number, since it uses as much as digits as its factorization.

80028067575221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3763200, while the sum is 53.

The spelling of 80028067575221 in words is "eighty trillion, twenty-eight billion, sixty-seven million, five hundred seventy-five thousand, two hundred twenty-one".