27547755275 has 6 divisors (see below), whose sum is σ = 34159216572. Its totient is φ = 22038204200.

The previous prime is 27547755241. The next prime is 27547755307. The reversal of 27547755275 is 57255774572.

It is a happy number.

It is not a de Polignac number, because 27547755275 - 2¹⁶ = 27547689739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27547755275.

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 5 ways as a sum of consecutive naturals, for example, 550955081 + ... + 550955130.

It is an arithmetic number, because the mean of its divisors is an integer number (5693202762).

Almost surely, 2^27547755275 is an apocalyptic number.

27547755275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27547755275 is a deficient number, since it is larger than the sum of its proper divisors (6611461297).

27547755275 is a wasteful number, since it uses less digits than its factorization.

27547755275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101910221 (or 1101910216 counting only the distinct ones).

The product of its digits is 24010000, while the sum is 56.

The spelling of 27547755275 in words is "twenty-seven billion, five hundred forty-seven million, seven hundred fifty-five thousand, two hundred seventy-five".