28364548171 has 2 divisors, whose sum is σ = 28364548172. Its totient is φ = 28364548170.

The previous prime is 28364548151. The next prime is 28364548181. The reversal of 28364548171 is 17184546382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28364548171 - 2⁵ = 28364548139 is a prime.

It is not a weakly prime, because it can be changed into another prime (28364548111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14182274085 + 14182274086.

It is an arithmetic number, because the mean of its divisors is an integer number (14182274086).

Almost surely, 2^28364548171 is an apocalyptic number.

28364548171 is a deficient number, since it is larger than the sum of its proper divisors (1).

28364548171 is an equidigital number, since it uses as much as digits as its factorization.

28364548171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1290240, while the sum is 49.

The spelling of 28364548171 in words is "twenty-eight billion, three hundred sixty-four million, five hundred forty-eight thousand, one hundred seventy-one".