27128087 has 8 divisors (see below), whose sum is σ = 31323936. Its totient is φ = 23012352.

The previous prime is 27128083. The next prime is 27128117. The reversal of 27128087 is 78082172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27128087 - 2² = 27128083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27128083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19298 + ... + 20655.

It is an arithmetic number, because the mean of its divisors is an integer number (3915492).

Almost surely, 2^27128087 is an apocalyptic number.

27128087 is a deficient number, since it is larger than the sum of its proper divisors (4195849).

27128087 is an equidigital number, since it uses as much as digits as its factorization.

27128087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40057.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 27128087 is about 5208.4630170522. The cubic root of 27128087 is about 300.4736480944.

The spelling of 27128087 in words is "twenty-seven million, one hundred twenty-eight thousand, eighty-seven".