28317717167 has 2 divisors, whose sum is σ = 28317717168. Its totient is φ = 28317717166.

The previous prime is 28317717161. The next prime is 28317717193. The reversal of 28317717167 is 76171771382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28317717167 - 2³² = 24022749871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28317717161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14158858583 + 14158858584.

It is an arithmetic number, because the mean of its divisors is an integer number (14158858584).

Almost surely, 2^28317717167 is an apocalyptic number.

28317717167 is a deficient number, since it is larger than the sum of its proper divisors (1).

28317717167 is an equidigital number, since it uses as much as digits as its factorization.

28317717167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 691488, while the sum is 50.

The spelling of 28317717167 in words is "twenty-eight billion, three hundred seventeen million, seven hundred seventeen thousand, one hundred sixty-seven".