27116639 has 4 divisors (see below), whose sum is σ = 29581800. Its totient is φ = 24651480.

The previous prime is 27116633. The next prime is 27116651. The reversal of 27116639 is 93661172.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27116639 - 2⁴ = 27116623 is a prime.

It is a super-2 number, since 2×27116639² = 1470624221312642, 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 = 27116599 and 27116608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27116633) 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, 1232564 + ... + 1232585.

It is an arithmetic number, because the mean of its divisors is an integer number (7395450).

Almost surely, 2^27116639 is an apocalyptic number.

27116639 is a deficient number, since it is larger than the sum of its proper divisors (2465161).

27116639 is a wasteful number, since it uses less digits than its factorization.

27116639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465160.

The product of its digits is 13608, while the sum is 35.

The square root of 27116639 is about 5207.3639204496. The cubic root of 27116639 is about 300.4313757156.

The spelling of 27116639 in words is "twenty-seven million, one hundred sixteen thousand, six hundred thirty-nine".