27671553668 has 12 divisors (see below), whose sum is σ = 52827511632. Its totient is φ = 12577978920.

The previous prime is 27671553643. The next prime is 27671553677. The reversal of 27671553668 is 86635517672.

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, 314449430 + ... + 314449517.

It is an arithmetic number, because the mean of its divisors is an integer number (4402292636).

Almost surely, 2^27671553668 is an apocalyptic number.

It is an amenable number.

27671553668 is a deficient number, since it is larger than the sum of its proper divisors (25155957964).

27671553668 is a wasteful number, since it uses less digits than its factorization.

27671553668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628898962 (or 628898960 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 56.

The spelling of 27671553668 in words is "twenty-seven billion, six hundred seventy-one million, five hundred fifty-three thousand, six hundred sixty-eight".