28448241773 has 4 divisors (see below), whose sum is σ = 32512276320. Its totient is φ = 24384207228.

The previous prime is 28448241769. The next prime is 28448241797. The reversal of 28448241773 is 37714284482.

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 28448241773 - 2² = 28448241769 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 (28448241743) 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, 2032017263 + ... + 2032017276.

It is an arithmetic number, because the mean of its divisors is an integer number (8128069080).

Almost surely, 2^28448241773 is an apocalyptic number.

It is an amenable number.

28448241773 is a deficient number, since it is larger than the sum of its proper divisors (4064034547).

28448241773 is an equidigital number, since it uses as much as digits as its factorization.

28448241773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4064034546.

The product of its digits is 2408448, while the sum is 50.

The spelling of 28448241773 in words is "twenty-eight billion, four hundred forty-eight million, two hundred forty-one thousand, seven hundred seventy-three".