28080167017 has 12 divisors (see below), whose sum is σ = 32697503940. Its totient is φ = 24044531616.

The previous prime is 28080166981. The next prime is 28080167023. The reversal of 28080167017 is 71076108082.

It can be written as a sum of positive squares in 2 ways, for example, as 26848788736 + 1231378281 = 163856^2 + 35091^2 .

It is not a de Polignac number, because 28080167017 - 2¹¹ = 28080164969 is a prime.

It is a super-2 number, since 2×28080167017² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28080167047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238542 + ... + 336247.

It is an arithmetic number, because the mean of its divisors is an integer number (2724791995).

Almost surely, 2^28080167017 is an apocalyptic number.

It is an amenable number.

28080167017 is a deficient number, since it is larger than the sum of its proper divisors (4617336923).

28080167017 is an equidigital number, since it uses as much as digits as its factorization.

28080167017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575800 (or 575793 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 40.

The spelling of 28080167017 in words is "twenty-eight billion, eighty million, one hundred sixty-seven thousand, seventeen".