27688216504 has 32 divisors (see below), whose sum is σ = 55916043120. Its totient is φ = 12777543936.

The previous prime is 27688216481. The next prime is 27688216513. The reversal of 27688216504 is 40561288672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1258204 + ... + 1280020.

Almost surely, 2^27688216504 is an apocalyptic number.

It is an amenable number.

27688216504 is an abundant number, since it is smaller than the sum of its proper divisors (28227826616).

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

27688216504 is a wasteful number, since it uses less digits than its factorization.

27688216504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34039 (or 34035 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 27688216504 in words is "twenty-seven billion, six hundred eighty-eight million, two hundred sixteen thousand, five hundred four".