27764668888 has 16 divisors (see below), whose sum is σ = 56791368360. Its totient is φ = 12620304000.

The previous prime is 27764668861. The next prime is 27764668901. The reversal of 27764668888 is 88886646772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157753713 + ... + 157753888.

Almost surely, 2^27764668888 is an apocalyptic number.

It is an amenable number.

27764668888 is an abundant number, since it is smaller than the sum of its proper divisors (29026699472).

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

27764668888 is a wasteful number, since it uses less digits than its factorization.

27764668888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315507618 (or 315507614 counting only the distinct ones).

The product of its digits is 346816512, while the sum is 70.

The spelling of 27764668888 in words is "twenty-seven billion, seven hundred sixty-four million, six hundred sixty-eight thousand, eight hundred eighty-eight".