27747542572 has 12 divisors (see below), whose sum is σ = 48812432256. Its totient is φ = 13801133360.

The previous prime is 27747542569. The next prime is 27747542611. The reversal of 27747542572 is 27524574772.

It is a super-2 number, since 2×27747542572² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18158623 + ... + 18160150.

It is an arithmetic number, because the mean of its divisors is an integer number (4067702688).

Almost surely, 2^27747542572 is an apocalyptic number.

It is an amenable number.

27747542572 is a deficient number, since it is larger than the sum of its proper divisors (21064889684).

27747542572 is a wasteful number, since it uses less digits than its factorization.

27747542572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36318968 (or 36318966 counting only the distinct ones).

The product of its digits is 7683200, while the sum is 52.

The spelling of 27747542572 in words is "twenty-seven billion, seven hundred forty-seven million, five hundred forty-two thousand, five hundred seventy-two".