27687855375 has 160 divisors (see below), whose sum is σ = 56428669440. Its totient is φ = 13447296000.

The previous prime is 27687855361. The next prime is 27687855379. The reversal of 27687855375 is 57355878672.

27687855375 is a `hidden beast` number, since 2 + 7 + 6 + 8 + 7 + 8 + 553 + 75 = 666.

It is not a de Polignac number, because 27687855375 - 2⁶ = 27687855311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27687855379) 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 159 ways as a sum of consecutive naturals, for example, 5333281 + ... + 5338469.

It is an arithmetic number, because the mean of its divisors is an integer number (352679184).

Almost surely, 2^27687855375 is an apocalyptic number.

27687855375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27687855375 is an abundant number, since it is smaller than the sum of its proper divisors (28740814065).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27687855375 is a wasteful number, since it uses less digits than its factorization.

27687855375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5264 (or 5245 counting only the distinct ones).

The product of its digits is 98784000, while the sum is 63.

The spelling of 27687855375 in words is "twenty-seven billion, six hundred eighty-seven million, eight hundred fifty-five thousand, three hundred seventy-five".