28211000827 has 2 divisors, whose sum is σ = 28211000828. Its totient is φ = 28211000826.

The previous prime is 28211000813. The next prime is 28211000887. The reversal of 28211000827 is 72800011282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28211000827 - 2²⁷ = 28076783099 is a prime.

It is not a weakly prime, because it can be changed into another prime (28211000887) 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, 14105500413 + 14105500414.

It is an arithmetic number, because the mean of its divisors is an integer number (14105500414).

Almost surely, 2^28211000827 is an apocalyptic number.

28211000827 is a deficient number, since it is larger than the sum of its proper divisors (1).

28211000827 is an equidigital number, since it uses as much as digits as its factorization.

28211000827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 31.

The spelling of 28211000827 in words is "twenty-eight billion, two hundred eleven million, eight hundred twenty-seven", and thus it is an aban number.