27773820132 has 12 divisors (see below), whose sum is σ = 64805580336. Its totient is φ = 9257940040.

The previous prime is 27773820103. The next prime is 27773820163. The reversal of 27773820132 is 23102837772.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1157242494 + ... + 1157242517.

It is an arithmetic number, because the mean of its divisors is an integer number (5400465028).

Almost surely, 2^27773820132 is an apocalyptic number.

It is an amenable number.

27773820132 is an abundant number, since it is smaller than the sum of its proper divisors (37031760204).

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

27773820132 is a wasteful number, since it uses less digits than its factorization.

27773820132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314485018 (or 2314485016 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

The spelling of 27773820132 in words is "twenty-seven billion, seven hundred seventy-three million, eight hundred twenty thousand, one hundred thirty-two".