27000155 has 16 divisors (see below), whose sum is σ = 39877824. Its totient is φ = 17089920.

The previous prime is 27000143. The next prime is 27000179. The reversal of 27000155 is 55100072.

It is not a de Polignac number, because 27000155 - 2⁴ = 27000139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29216 + ... + 30125.

It is an arithmetic number, because the mean of its divisors is an integer number (2492364).

Almost surely, 2^27000155 is an apocalyptic number.

27000155 is a deficient number, since it is larger than the sum of its proper divisors (12877669).

27000155 is a wasteful number, since it uses less digits than its factorization.

27000155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59366.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 27000155 is about 5196.1673375672. The cubic root of 27000155 is about 300.0005740730. Note that the first 3 decimals are identical.

The spelling of 27000155 in words is "twenty-seven million, one hundred fifty-five", and thus it is an aban number.