28346807171 has 16 divisors (see below), whose sum is σ = 30213596160. Its totient is φ = 26538557760.

The previous prime is 28346807149. The next prime is 28346807183. The reversal of 28346807171 is 17170864382.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28346807171 - 2²² = 28342612867 is a prime.

It is a super-3 number, since 3×28346807171³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28346807141) 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 in 15 ways as a sum of consecutive naturals, for example, 155510 + ... + 284388.

It is an arithmetic number, because the mean of its divisors is an integer number (1888349760).

Almost surely, 2^28346807171 is an apocalyptic number.

28346807171 is a deficient number, since it is larger than the sum of its proper divisors (1866788989).

28346807171 is a wasteful number, since it uses less digits than its factorization.

28346807171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129106.

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 28346807171 in words is "twenty-eight billion, three hundred forty-six million, eight hundred seven thousand, one hundred seventy-one".