28539673335 has 12 divisors (see below), whose sum is σ = 49468767192. Its totient is φ = 15221159088.

The previous prime is 28539673297. The next prime is 28539673369. The reversal of 28539673335 is 53337693582.

It is a happy number.

28539673335 is a `hidden beast` number, since 2 + 8 + 539 + 6 + 73 + 3 + 35 = 666.

It is not a de Polignac number, because 28539673335 - 2⁷ = 28539673207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 317107437 + ... + 317107526.

It is an arithmetic number, because the mean of its divisors is an integer number (4122397266).

Almost surely, 2^28539673335 is an apocalyptic number.

28539673335 is a deficient number, since it is larger than the sum of its proper divisors (20929093857).

28539673335 is a wasteful number, since it uses less digits than its factorization.

28539673335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634214974 (or 634214971 counting only the distinct ones).

The product of its digits is 12247200, while the sum is 54.

The spelling of 28539673335 in words is "twenty-eight billion, five hundred thirty-nine million, six hundred seventy-three thousand, three hundred thirty-five".