28005275027999 has 2 divisors, whose sum is σ = 28005275028000. Its totient is φ = 28005275027998.

The previous prime is 28005275027893. The next prime is 28005275028007. The reversal of 28005275027999 is 99972057250082.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28005275027999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28005275027099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14002637513999 + 14002637514000.

It is an arithmetic number, because the mean of its divisors is an integer number (14002637514000).

Almost surely, 2^{28005275027999} is an apocalyptic number.

28005275027999 is a deficient number, since it is larger than the sum of its proper divisors (1).

28005275027999 is an equidigital number, since it uses as much as digits as its factorization.

28005275027999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57153600, while the sum is 65.

The spelling of 28005275027999 in words is "twenty-eight trillion, five billion, two hundred seventy-five million, twenty-seven thousand, nine hundred ninety-nine".