28340334171 has 6 divisors (see below), whose sum is σ = 40936038260. Its totient is φ = 18893556108.

The previous prime is 28340334163. The next prime is 28340334179. The reversal of 28340334171 is 17143304382.

28340334171 is a `hidden beast` number, since 2 + 83 + 403 + 3 + 4 + 171 = 666.

It is an interprime number because it is at equal distance from previous prime (28340334163) and next prime (28340334179).

It is not a de Polignac number, because 28340334171 - 2³ = 28340334163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28340334179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1574463001 + ... + 1574463018.

Almost surely, 2^28340334171 is an apocalyptic number.

28340334171 is a deficient number, since it is larger than the sum of its proper divisors (12595704089).

28340334171 is a wasteful number, since it uses less digits than its factorization.

28340334171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3148926025 (or 3148926022 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 28340334171 in words is "twenty-eight billion, three hundred forty million, three hundred thirty-four thousand, one hundred seventy-one".