27528605560 has 16 divisors (see below), whose sum is σ = 61939362600. Its totient is φ = 11011442208.

The previous prime is 27528605543. The next prime is 27528605561. The reversal of 27528605560 is 6550682572.

It is a self number, because there is not a number n which added to its sum of digits gives 27528605560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27528605561) 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 3 ways as a sum of consecutive naturals, for example, 344107530 + ... + 344107609.

Almost surely, 2^27528605560 is an apocalyptic number.

27528605560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27528605560 is an abundant number, since it is smaller than the sum of its proper divisors (34410757040).

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

27528605560 is a wasteful number, since it uses less digits than its factorization.

27528605560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688215150 (or 688215146 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 27528605560 in words is "twenty-seven billion, five hundred twenty-eight million, six hundred five thousand, five hundred sixty".