27018603868 has 6 divisors (see below), whose sum is σ = 47282556776. Its totient is φ = 13509301932.

The previous prime is 27018603827. The next prime is 27018603881. The reversal of 27018603868 is 86830681072.

It is a super-2 number, since 2×27018603868² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3377325480 + ... + 3377325487.

Almost surely, 2^27018603868 is an apocalyptic number.

It is an amenable number.

27018603868 is a deficient number, since it is larger than the sum of its proper divisors (20263952908).

27018603868 is a wasteful number, since it uses less digits than its factorization.

27018603868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6754650971 (or 6754650969 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 27018603868 in words is "twenty-seven billion, eighteen million, six hundred three thousand, eight hundred sixty-eight".