27540887 has 4 divisors (see below), whose sum is σ = 30044616. Its totient is φ = 25037160.

The previous prime is 27540883. The next prime is 27540893. The reversal of 27540887 is 78804572.

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

It is a cyclic number.

It is not a de Polignac number, because 27540887 - 2² = 27540883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27540883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1251848 + ... + 1251869.

It is an arithmetic number, because the mean of its divisors is an integer number (7511154).

Almost surely, 2^27540887 is an apocalyptic number.

27540887 is a deficient number, since it is larger than the sum of its proper divisors (2503729).

27540887 is a wasteful number, since it uses less digits than its factorization.

27540887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503728.

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 27540887 is about 5247.9412153720. The cubic root of 27540887 is about 301.9900549332.

The spelling of 27540887 in words is "twenty-seven million, five hundred forty thousand, eight hundred eighty-seven".