27112997 has 4 divisors (see below), whose sum is σ = 27186060. Its totient is φ = 27039936.

The previous prime is 27112993. The next prime is 27113017. The reversal of 27112997 is 79921172.

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 7761796 + 19351201 = 2786^2 + 4399^2 .

It is a cyclic number.

It is not a de Polignac number, because 27112997 - 2² = 27112993 is a prime.

It is a super-2 number, since 2×27112997² = 1470229212644018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27112997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27112991) 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, 35972 + ... + 36717.

It is an arithmetic number, because the mean of its divisors is an integer number (6796515).

Almost surely, 2^27112997 is an apocalyptic number.

It is an amenable number.

27112997 is a deficient number, since it is larger than the sum of its proper divisors (73063).

27112997 is an equidigital number, since it uses as much as digits as its factorization.

27112997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73062.

The product of its digits is 15876, while the sum is 38.

The square root of 27112997 is about 5207.0142116188. The cubic root of 27112997 is about 300.4179249329.

The spelling of 27112997 in words is "twenty-seven million, one hundred twelve thousand, nine hundred ninety-seven".