27284828273 has 4 divisors (see below), whose sum is σ = 27381927588. Its totient is φ = 27187728960.

The previous prime is 27284828261. The next prime is 27284828323. The reversal of 27284828273 is 37282848272.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24645232144 + 2639596129 = 156988^2 + 51377^2 .

It is a cyclic number.

It is not a de Polignac number, because 27284828273 - 2¹⁰ = 27284827249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27284828203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48549236 + ... + 48549797.

It is an arithmetic number, because the mean of its divisors is an integer number (6845481897).

Almost surely, 2^27284828273 is an apocalyptic number.

It is an amenable number.

27284828273 is a deficient number, since it is larger than the sum of its proper divisors (97099315).

27284828273 is an equidigital number, since it uses as much as digits as its factorization.

27284828273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97099314.

The product of its digits is 4816896, while the sum is 53.

The spelling of 27284828273 in words is "twenty-seven billion, two hundred eighty-four million, eight hundred twenty-eight thousand, two hundred seventy-three".