28604317173 has 8 divisors (see below), whose sum is σ = 38291039136. Its totient is φ = 18993570000.

The previous prime is 28604317139. The next prime is 28604317177. The reversal of 28604317173 is 37171340682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28604317173 - 2⁶ = 28604317109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28604317177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18992818 + ... + 18994323.

It is an arithmetic number, because the mean of its divisors is an integer number (4786379892).

Almost surely, 2^28604317173 is an apocalyptic number.

It is an amenable number.

28604317173 is a deficient number, since it is larger than the sum of its proper divisors (9686721963).

28604317173 is a wasteful number, since it uses less digits than its factorization.

28604317173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37987395.

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 28604317173 in words is "twenty-eight billion, six hundred four million, three hundred seventeen thousand, one hundred seventy-three".