28573003172873 has 4 divisors (see below), whose sum is σ = 28607721282048. Its totient is φ = 28538285063700.

The previous prime is 28573003172837. The next prime is 28573003172881. The reversal of 28573003172873 is 37827130037582.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28573003172873 - 2⁶ = 28573003172809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28573003172803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17359053353 + ... + 17359054998.

It is an arithmetic number, because the mean of its divisors is an integer number (7151930320512).

Almost surely, 2^{28573003172873} is an apocalyptic number.

It is an amenable number.

28573003172873 is a deficient number, since it is larger than the sum of its proper divisors (34718109175).

28573003172873 is an equidigital number, since it uses as much as digits as its factorization.

28573003172873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34718109174.

The product of its (nonzero) digits is 11854080, while the sum is 56.

The spelling of 28573003172873 in words is "twenty-eight trillion, five hundred seventy-three billion, three million, one hundred seventy-two thousand, eight hundred seventy-three".