27768289900 has 36 divisors (see below), whose sum is σ = 64892360512. Its totient is φ = 10252906560.

The previous prime is 27768289867. The next prime is 27768289921. The reversal of 27768289900 is 998286772.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10678812 + ... + 10681411.

Almost surely, 2^27768289900 is an apocalyptic number.

27768289900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27768289900 is an abundant number, since it is smaller than the sum of its proper divisors (37124070612).

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

27768289900 is a wasteful number, since it uses less digits than its factorization.

27768289900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21360250 (or 21360243 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 58.

The spelling of 27768289900 in words is "twenty-seven billion, seven hundred sixty-eight million, two hundred eighty-nine thousand, nine hundred".