27855270135 has 96 divisors (see below), whose sum is σ = 60392217600. Its totient is φ = 11538547200.

The previous prime is 27855270127. The next prime is 27855270199. The reversal of 27855270135 is 53107255872.

27855270135 is a `hidden beast` number, since 27 + 8 + 552 + 70 + 1 + 3 + 5 = 666.

It is not a de Polignac number, because 27855270135 - 2³ = 27855270127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1064691 + ... + 1090539.

It is an arithmetic number, because the mean of its divisors is an integer number (629085600).

Almost surely, 2^27855270135 is an apocalyptic number.

27855270135 is an abundant number, since it is smaller than the sum of its proper divisors (32536947465).

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

27855270135 is a wasteful number, since it uses less digits than its factorization.

27855270135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26189 (or 26186 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 45.

The spelling of 27855270135 in words is "twenty-seven billion, eight hundred fifty-five million, two hundred seventy thousand, one hundred thirty-five".