28210013668227 has 8 divisors (see below), whose sum is σ = 37616621476864. Its totient is φ = 18805040819208.

The previous prime is 28210013668181. The next prime is 28210013668229. The reversal of 28210013668227 is 72286631001282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28210013668227 - 2⁷ = 28210013668099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28210013668229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408699643 + ... + 408768660.

It is an arithmetic number, because the mean of its divisors is an integer number (4702077684608).

Almost surely, 2^{28210013668227} is an apocalyptic number.

28210013668227 is a deficient number, since it is larger than the sum of its proper divisors (9406607808637).

28210013668227 is a wasteful number, since it uses less digits than its factorization.

28210013668227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817479809.

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 28210013668227 in words is "twenty-eight trillion, two hundred ten billion, thirteen million, six hundred sixty-eight thousand, two hundred twenty-seven".