27480335669 has 8 divisors (see below), whose sum is σ = 28943127360. Its totient is φ = 26039876896.

The previous prime is 27480335629. The next prime is 27480335681. The reversal of 27480335669 is 96653308472.

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 a de Polignac number, because none of the positive numbers 2^k-27480335669 is a prime.

It is a super-2 number, since 2×27480335669² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27480335669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27480335629) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5580704 + ... + 5585625.

It is an arithmetic number, because the mean of its divisors is an integer number (3617890920).

Almost surely, 2^27480335669 is an apocalyptic number.

It is an amenable number.

27480335669 is a deficient number, since it is larger than the sum of its proper divisors (1462791691).

27480335669 is a wasteful number, since it uses less digits than its factorization.

27480335669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11166459.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 27480335669 in words is "twenty-seven billion, four hundred eighty million, three hundred thirty-five thousand, six hundred sixty-nine".