28148112827 has 2 divisors, whose sum is σ = 28148112828. Its totient is φ = 28148112826.

The previous prime is 28148112757. The next prime is 28148112947. The reversal of 28148112827 is 72821184182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28148112827 - 2³² = 23853145531 is a prime.

It is not a weakly prime, because it can be changed into another prime (28148112227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14074056413 + 14074056414.

It is an arithmetic number, because the mean of its divisors is an integer number (14074056414).

Almost surely, 2^28148112827 is an apocalyptic number.

28148112827 is a deficient number, since it is larger than the sum of its proper divisors (1).

28148112827 is an equidigital number, since it uses as much as digits as its factorization.

28148112827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 114688, while the sum is 44.

The spelling of 28148112827 in words is "twenty-eight billion, one hundred forty-eight million, one hundred twelve thousand, eight hundred twenty-seven".