28560263361247 has 2 divisors, whose sum is σ = 28560263361248. Its totient is φ = 28560263361246.

The previous prime is 28560263361239. The next prime is 28560263361307. The reversal of 28560263361247 is 74216336206582.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28560263361247 - 2³ = 28560263361239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28560263761247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14280131680623 + 14280131680624.

It is an arithmetic number, because the mean of its divisors is an integer number (14280131680624).

Almost surely, 2^{28560263361247} is an apocalyptic number.

28560263361247 is a deficient number, since it is larger than the sum of its proper divisors (1).

28560263361247 is an equidigital number, since it uses as much as digits as its factorization.

28560263361247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17418240, while the sum is 55.

The spelling of 28560263361247 in words is "twenty-eight trillion, five hundred sixty billion, two hundred sixty-three million, three hundred sixty-one thousand, two hundred forty-seven".