27783420900 has 36 divisors (see below), whose sum is σ = 80386698672. Its totient is φ = 7408912160.

The previous prime is 27783420839. The next prime is 27783420919. The reversal of 27783420900 is 902438772.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46305402 + ... + 46306001.

It is an arithmetic number, because the mean of its divisors is an integer number (2232963852).

Almost surely, 2^27783420900 is an apocalyptic number.

27783420900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27783420900 is an abundant number, since it is smaller than the sum of its proper divisors (52603277772).

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

27783420900 is a wasteful number, since it uses less digits than its factorization.

27783420900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92611420 (or 92611413 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 27783420900 in words is "twenty-seven billion, seven hundred eighty-three million, four hundred twenty thousand, nine hundred".