28446267446227 has 4 divisors (see below), whose sum is σ = 28463903075520. Its totient is φ = 28428631816936.

The previous prime is 28446267446189. The next prime is 28446267446251. The reversal of 28446267446227 is 72264476264482.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28446267446227 - 2⁷ = 28446267446099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28446267443227) 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, 8817812227 + ... + 8817815452.

It is an arithmetic number, because the mean of its divisors is an integer number (7115975768880).

Almost surely, 2^{28446267446227} is an apocalyptic number.

28446267446227 is a deficient number, since it is larger than the sum of its proper divisors (17635629293).

28446267446227 is a wasteful number, since it uses less digits than its factorization.

28446267446227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17635629292.

The product of its digits is 346816512, while the sum is 64.

The spelling of 28446267446227 in words is "twenty-eight trillion, four hundred forty-six billion, two hundred sixty-seven million, four hundred forty-six thousand, two hundred twenty-seven".