27489523120687 has 16 divisors (see below), whose sum is σ = 28097464924800. Its totient is φ = 26887529215008.

The previous prime is 27489523120681. The next prime is 27489523120747. The reversal of 27489523120687 is 78602132598472.

It is a cyclic number.

It is not a de Polignac number, because 27489523120687 - 2¹¹ = 27489523118639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27489523120681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26515368 + ... + 27532594.

It is an arithmetic number, because the mean of its divisors is an integer number (1756091557800).

It is a 1-persistent number, because it is pandigital, but 2⋅27489523120687 = 54979046241374 is not.

Almost surely, 2^{27489523120687} is an apocalyptic number.

27489523120687 is a deficient number, since it is larger than the sum of its proper divisors (607941804113).

27489523120687 is a wasteful number, since it uses less digits than its factorization.

27489523120687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020150.

The product of its (nonzero) digits is 81285120, while the sum is 64.

The spelling of 27489523120687 in words is "twenty-seven trillion, four hundred eighty-nine billion, five hundred twenty-three million, one hundred twenty thousand, six hundred eighty-seven".