27708465247728 has 40 divisors (see below), whose sum is σ = 74692384583808. Its totient is φ = 8834583122112.

The previous prime is 27708465247709. The next prime is 27708465247739. The reversal of 27708465247728 is 82774256480772.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12549122650 + ... + 12549124857.

Almost surely, 2^{27708465247728} is an apocalyptic number.

It is an amenable number.

27708465247728 is an abundant number, since it is smaller than the sum of its proper divisors (46983919336080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27708465247728 is a wasteful number, since it uses less digits than its factorization.

27708465247728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25098247541 (or 25098247535 counting only the distinct ones).

The product of its (nonzero) digits is 590069760, while the sum is 69.

The spelling of 27708465247728 in words is "twenty-seven trillion, seven hundred eight billion, four hundred sixty-five million, two hundred forty-seven thousand, seven hundred twenty-eight".