27112157 has 4 divisors (see below), whose sum is σ = 27844956.
Its totient is φ = 26379360.
The previous prime is 27112139. The next prime is 27112181. The reversal of 27112157 is 75121172.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 26327161 + 784996 = 5131^2 + 886^2
It is a cyclic number.
It is not a de Polignac number, because 27112157 - 28 = 27111901 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 (27112457) 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, 366344 + ... + 366417.
It is an arithmetic number, because the mean of its divisors is an integer number (6961239).
Almost surely, 227112157 is an apocalyptic number.
It is an amenable number.
27112157 is a deficient number, since it is larger than the sum of its proper divisors (732799).
27112157 is an equidigital number, since it uses as much as digits as its factorization.
27112157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 732798.
The product of its digits is 980, while the sum is 26.
The square root of 27112157 is about 5206.9335505651.
The cubic root of 27112157 is about 300.4148224397.
The spelling of 27112157 in words is "twenty-seven million, one hundred twelve thousand, one hundred fifty-seven".