27347561532 has 18 divisors (see below), whose sum is σ = 69128558408. Its totient is φ = 9115853832.

The previous prime is 27347561503. The next prime is 27347561537. The reversal of 27347561532 is 23516574372.

27347561532 is a `hidden beast` number, since 2 + 7 + 34 + 7 + 561 + 53 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27347561537) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 379827208 + ... + 379827279.

Almost surely, 2^27347561532 is an apocalyptic number.

It is an amenable number.

27347561532 is an abundant number, since it is smaller than the sum of its proper divisors (41780996876).

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

27347561532 is a wasteful number, since it uses less digits than its factorization.

27347561532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759654497 (or 759654492 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

The spelling of 27347561532 in words is "twenty-seven billion, three hundred forty-seven million, five hundred sixty-one thousand, five hundred thirty-two".