28057745167 has 2 divisors, whose sum is σ = 28057745168. Its totient is φ = 28057745166.

The previous prime is 28057745159. The next prime is 28057745203. The reversal of 28057745167 is 76154775082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28057745167 - 2³ = 28057745159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28057740167) 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, 14028872583 + 14028872584.

It is an arithmetic number, because the mean of its divisors is an integer number (14028872584).

Almost surely, 2^28057745167 is an apocalyptic number.

28057745167 is a deficient number, since it is larger than the sum of its proper divisors (1).

28057745167 is an equidigital number, since it uses as much as digits as its factorization.

28057745167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3292800, while the sum is 52.

The spelling of 28057745167 in words is "twenty-eight billion, fifty-seven million, seven hundred forty-five thousand, one hundred sixty-seven".