27731330255 has 4 divisors (see below), whose sum is σ = 33277596312. Its totient is φ = 22185064200.

The previous prime is 27731330233. The next prime is 27731330293. The reversal of 27731330255 is 55203313772.

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

It is not a de Polignac number, because 27731330255 - 2⁸ = 27731329999 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2773133021 + ... + 2773133030.

It is an arithmetic number, because the mean of its divisors is an integer number (8319399078).

Almost surely, 2^27731330255 is an apocalyptic number.

27731330255 is a deficient number, since it is larger than the sum of its proper divisors (5546266057).

27731330255 is an equidigital number, since it uses as much as digits as its factorization.

27731330255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5546266056.

The product of its (nonzero) digits is 132300, while the sum is 38.

The spelling of 27731330255 in words is "twenty-seven billion, seven hundred thirty-one million, three hundred thirty thousand, two hundred fifty-five".