28080170827 has 2 divisors, whose sum is σ = 28080170828. Its totient is φ = 28080170826.

The previous prime is 28080170759. The next prime is 28080170849. The reversal of 28080170827 is 72807108082.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28080170827 is a prime.

It is not a weakly prime, because it can be changed into another prime (28080170527) 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, 14040085413 + 14040085414.

It is an arithmetic number, because the mean of its divisors is an integer number (14040085414).

Almost surely, 2^28080170827 is an apocalyptic number.

28080170827 is a deficient number, since it is larger than the sum of its proper divisors (1).

28080170827 is an equidigital number, since it uses as much as digits as its factorization.

28080170827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100352, while the sum is 43.

The spelling of 28080170827 in words is "twenty-eight billion, eighty million, one hundred seventy thousand, eight hundred twenty-seven".