28075622273 has 2 divisors, whose sum is σ = 28075622274. Its totient is φ = 28075622272.

The previous prime is 28075622269. The next prime is 28075622291. The reversal of 28075622273 is 37222657082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17240477809 + 10835144464 = 131303^2 + 104092^2 .

It is a cyclic number.

It is not a de Polignac number, because 28075622273 - 2² = 28075622269 is a prime.

It is not a weakly prime, because it can be changed into another prime (28075622233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14037811136 + 14037811137.

It is an arithmetic number, because the mean of its divisors is an integer number (14037811137).

Almost surely, 2^28075622273 is an apocalyptic number.

It is an amenable number.

28075622273 is a deficient number, since it is larger than the sum of its proper divisors (1).

28075622273 is an equidigital number, since it uses as much as digits as its factorization.

28075622273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 28075622273 in words is "twenty-eight billion, seventy-five million, six hundred twenty-two thousand, two hundred seventy-three".