28873174573 has 12 divisors (see below), whose sum is σ = 30522420540. Its totient is φ = 27308990016.

The previous prime is 28873174567. The next prime is 28873174607. The reversal of 28873174573 is 37547137882.

It can be written as a sum of positive squares in 2 ways, for example, as 904625929 + 27968548644 = 30077^2 + 167238^2 .

It is not a de Polignac number, because 28873174573 - 2²⁹ = 28336303661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28873174273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157923 + ... + 287551.

It is an arithmetic number, because the mean of its divisors is an integer number (2543535045).

Almost surely, 2^28873174573 is an apocalyptic number.

It is an amenable number.

28873174573 is a deficient number, since it is larger than the sum of its proper divisors (1649245967).

28873174573 is a wasteful number, since it uses less digits than its factorization.

28873174573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130284 (or 130265 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 55.

The spelling of 28873174573 in words is "twenty-eight billion, eight hundred seventy-three million, one hundred seventy-four thousand, five hundred seventy-three".