27147157 has 4 divisors (see below), whose sum is σ = 27266976. Its totient is φ = 27027340.

The previous prime is 27147151. The next prime is 27147173. The reversal of 27147157 is 75174172.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27147157 - 2³ = 27147149 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 (27147151) 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, 59569 + ... + 60022.

It is an arithmetic number, because the mean of its divisors is an integer number (6816744).

Almost surely, 2^27147157 is an apocalyptic number.

It is an amenable number.

27147157 is a deficient number, since it is larger than the sum of its proper divisors (119819).

27147157 is a wasteful number, since it uses less digits than its factorization.

27147157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119818.

The product of its digits is 13720, while the sum is 34.

The square root of 27147157 is about 5210.2933698593. The cubic root of 27147157 is about 300.5440387357.

The spelling of 27147157 in words is "twenty-seven million, one hundred forty-seven thousand, one hundred fifty-seven".