28173575038 has 16 divisors (see below), whose sum is σ = 49602897504. Its totient is φ = 11748054240.

The previous prime is 28173575009. The next prime is 28173575063. The reversal of 28173575038 is 83057537182.

It is a junction number, because it is equal to n+sod(n) for n = 28173574982 and 28173575000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27194053 + ... + 27195088.

It is an arithmetic number, because the mean of its divisors is an integer number (3100181094).

Almost surely, 2^28173575038 is an apocalyptic number.

28173575038 is a deficient number, since it is larger than the sum of its proper divisors (21429322466).

28173575038 is a wasteful number, since it uses less digits than its factorization.

28173575038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54389187.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 28173575038 in words is "twenty-eight billion, one hundred seventy-three million, five hundred seventy-five thousand, thirty-eight".