27121627 has 6 divisors (see below), whose sum is σ = 29368572. Its totient is φ = 25035192.

The previous prime is 27121609. The next prime is 27121639. The reversal of 27121627 is 72612172.

It is not a de Polignac number, because 27121627 - 2⁷ = 27121499 is a prime.

It is a super-2 number, since 2×27121627² = 1471165302254258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27121595 and 27121604.

It is not an unprimeable number, because it can be changed into a prime (27121657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80073 + ... + 80410.

It is an arithmetic number, because the mean of its divisors is an integer number (4894762).

Almost surely, 2^27121627 is an apocalyptic number.

27121627 is a deficient number, since it is larger than the sum of its proper divisors (2246945).

27121627 is a wasteful number, since it uses less digits than its factorization.

27121627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160509 (or 160496 counting only the distinct ones).

The product of its digits is 2352, while the sum is 28.

The square root of 27121627 is about 5207.8428355702. The cubic root of 27121627 is about 300.4497956463.

Adding to 27121627 its reverse (72612172), we get a palindrome (99733799).

The spelling of 27121627 in words is "twenty-seven million, one hundred twenty-one thousand, six hundred twenty-seven".