27665013713 has 8 divisors (see below), whose sum is σ = 28041943680. Its totient is φ = 27288752400.

The previous prime is 27665013697. The next prime is 27665013721. The reversal of 27665013713 is 31731056672.

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 27665013713 - 2⁴ = 27665013697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27665015713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83570 + ... + 249627.

It is an arithmetic number, because the mean of its divisors is an integer number (3505242960).

Almost surely, 2^27665013713 is an apocalyptic number.

It is an amenable number.

27665013713 is a deficient number, since it is larger than the sum of its proper divisors (376929967).

27665013713 is a wasteful number, since it uses less digits than its factorization.

27665013713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334327.

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 27665013713 in words is "twenty-seven billion, six hundred sixty-five million, thirteen thousand, seven hundred thirteen".