27665327416 has 24 divisors (see below), whose sum is σ = 54746316720. Its totient is φ = 13104627408.

The previous prime is 27665327399. The next prime is 27665327441. The reversal of 27665327416 is 61472356672.

It is a self number, because there is not a number n which added to its sum of digits gives 27665327416.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4786816 + ... + 4792591.

It is an arithmetic number, because the mean of its divisors is an integer number (2281096530).

Almost surely, 2^27665327416 is an apocalyptic number.

It is an amenable number.

27665327416 is a deficient number, since it is larger than the sum of its proper divisors (27080989304).

27665327416 is a wasteful number, since it uses less digits than its factorization.

27665327416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9579451 (or 9579428 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 49.

The spelling of 27665327416 in words is "twenty-seven billion, six hundred sixty-five million, three hundred twenty-seven thousand, four hundred sixteen".