27783055328 has 48 divisors (see below), whose sum is σ = 62808246144. Its totient is φ = 11850572160.

The previous prime is 27783055297. The next prime is 27783055343. The reversal of 27783055328 is 82355038772.

It is a happy number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

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, 246650 + ... + 341177.

It is an arithmetic number, because the mean of its divisors is an integer number (1308505128).

Almost surely, 2^27783055328 is an apocalyptic number.

27783055328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27783055328 is an abundant number, since it is smaller than the sum of its proper divisors (35025190816).

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

27783055328 is a wasteful number, since it uses less digits than its factorization.

27783055328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588055 (or 588047 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 27783055328 in words is "twenty-seven billion, seven hundred eighty-three million, fifty-five thousand, three hundred twenty-eight".