27775605852 has 36 divisors (see below), whose sum is σ = 70241467296. Its totient is φ = 9254459520.

The previous prime is 27775605821. The next prime is 27775605857. The reversal of 27775605852 is 25850657772.

27775605852 is a `hidden beast` number, since 2 + 7 + 7 + 7 + 56 + 0 + 585 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27775605857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86349 + ... + 251012.

Almost surely, 2^27775605852 is an apocalyptic number.

It is an amenable number.

27775605852 is an abundant number, since it is smaller than the sum of its proper divisors (42465861444).

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

27775605852 is a wasteful number, since it uses less digits than its factorization.

27775605852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339658 (or 339653 counting only the distinct ones).

The product of its (nonzero) digits is 8232000, while the sum is 54.

The spelling of 27775605852 in words is "twenty-seven billion, seven hundred seventy-five million, six hundred five thousand, eight hundred fifty-two".