28508245127 has 2 divisors, whose sum is σ = 28508245128. Its totient is φ = 28508245126.

The previous prime is 28508245121. The next prime is 28508245151. The reversal of 28508245127 is 72154280582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28508245127 - 2⁸ = 28508244871 is a prime.

It is a super-2 number, since 2×28508245127² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28508245121) 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 as a sum of consecutive naturals, namely, 14254122563 + 14254122564.

It is an arithmetic number, because the mean of its divisors is an integer number (14254122564).

Almost surely, 2^28508245127 is an apocalyptic number.

28508245127 is a deficient number, since it is larger than the sum of its proper divisors (1).

28508245127 is an equidigital number, since it uses as much as digits as its factorization.

28508245127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 358400, while the sum is 44.

The spelling of 28508245127 in words is "twenty-eight billion, five hundred eight million, two hundred forty-five thousand, one hundred twenty-seven".