27790027 has 8 divisors (see below), whose sum is σ = 29352960. Its totient is φ = 26237160.

The previous prime is 27790001. The next prime is 27790093. The reversal of 27790027 is 72009772.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27790027 - 2⁷ = 27789899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27789974 and 27790001.

It is not an unprimeable number, because it can be changed into a prime (27790127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3558 + ... + 8260.

It is an arithmetic number, because the mean of its divisors is an integer number (3669120).

Almost surely, 2^27790027 is an apocalyptic number.

27790027 is a deficient number, since it is larger than the sum of its proper divisors (1562933).

27790027 is a wasteful number, since it uses less digits than its factorization.

27790027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5033.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 27790027 is about 5271.6247021198. The cubic root of 27790027 is about 302.8979422247.

Adding to 27790027 its reverse (72009772), we get a palindrome (99799799).

The spelling of 27790027 in words is "twenty-seven million, seven hundred ninety thousand, twenty-seven".