27855305275 has 24 divisors (see below), whose sum is σ = 40064142080. Its totient is φ = 18815686560.

The previous prime is 27855305263. The next prime is 27855305363. The reversal of 27855305275 is 57250355872.

It is not a de Polignac number, because 27855305275 - 2⁷ = 27855305147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1176135 + ... + 1199584.

Almost surely, 2^27855305275 is an apocalyptic number.

27855305275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27855305275 is a deficient number, since it is larger than the sum of its proper divisors (12208836805).

27855305275 is a wasteful number, since it uses less digits than its factorization.

27855305275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375803 (or 2375798 counting only the distinct ones).

The product of its (nonzero) digits is 2940000, while the sum is 49.

The spelling of 27855305275 in words is "twenty-seven billion, eight hundred fifty-five million, three hundred five thousand, two hundred seventy-five".