27677005 has 4 divisors (see below), whose sum is σ = 33212412. Its totient is φ = 22141600.

The previous prime is 27676967. The next prime is 27677011. The reversal of 27677005 is 50077672.

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 16793604 + 10883401 = 4098^2 + 3299^2 .

It is not a de Polignac number, because 27677005 - 2¹⁵ = 27644237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2767696 + ... + 2767705.

It is an arithmetic number, because the mean of its divisors is an integer number (8303103).

Almost surely, 2^27677005 is an apocalyptic number.

It is an amenable number.

27677005 is a deficient number, since it is larger than the sum of its proper divisors (5535407).

27677005 is an equidigital number, since it uses as much as digits as its factorization.

27677005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535406.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 27677005 is about 5260.8939354448. The cubic root of 27677005 is about 302.4867557892.

The spelling of 27677005 in words is "twenty-seven million, six hundred seventy-seven thousand, five".