27802133285 has 16 divisors (see below), whose sum is σ = 35336719152. Its totient is φ = 20926464000.

The previous prime is 27802133239. The next prime is 27802133323. The reversal of 27802133285 is 58233120872.

It can be written as a sum of positive squares in 8 ways, for example, as 108513889 + 27693619396 = 10417^2 + 166414^2 .

It is not a de Polignac number, because 27802133285 - 2²² = 27797938981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 212885 + ... + 317685.

It is an arithmetic number, because the mean of its divisors is an integer number (2208544947).

Almost surely, 2^27802133285 is an apocalyptic number.

It is an amenable number.

27802133285 is a deficient number, since it is larger than the sum of its proper divisors (7534585867).

27802133285 is a wasteful number, since it uses less digits than its factorization.

27802133285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107944.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 27802133285 in words is "twenty-seven billion, eight hundred two million, one hundred thirty-three thousand, two hundred eighty-five".