28844274805 has 16 divisors (see below), whose sum is σ = 34689009600. Its totient is φ = 23024891520.

The previous prime is 28844274803. The next prime is 28844274821. The reversal of 28844274805 is 50847244882.

It is not a de Polignac number, because 28844274805 - 2¹ = 28844274803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28844274803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5802361 + ... + 5807329.

It is an arithmetic number, because the mean of its divisors is an integer number (2168063100).

Almost surely, 2^28844274805 is an apocalyptic number.

It is an amenable number.

28844274805 is a deficient number, since it is larger than the sum of its proper divisors (5844734795).

28844274805 is a wasteful number, since it uses less digits than its factorization.

28844274805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7284.

The product of its (nonzero) digits is 4587520, while the sum is 52.

The spelling of 28844274805 in words is "twenty-eight billion, eight hundred forty-four million, two hundred seventy-four thousand, eight hundred five".