28789030573 has 4 divisors (see below), whose sum is σ = 28793160288. Its totient is φ = 28784900860.

The previous prime is 28789030519. The next prime is 28789030631. The reversal of 28789030573 is 37503098782.

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 28789030573 - 2¹⁷ = 28788899501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28789030573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28789030073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2054383 + ... + 2068348.

It is an arithmetic number, because the mean of its divisors is an integer number (7198290072).

Almost surely, 2^28789030573 is an apocalyptic number.

It is an amenable number.

28789030573 is a deficient number, since it is larger than the sum of its proper divisors (4129715).

28789030573 is an equidigital number, since it uses as much as digits as its factorization.

28789030573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129714.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 28789030573 in words is "twenty-eight billion, seven hundred eighty-nine million, thirty thousand, five hundred seventy-three".