27120327218 has 4 divisors (see below), whose sum is σ = 40680490830. Its totient is φ = 13560163608.

The previous prime is 27120327193. The next prime is 27120327257. The reversal of 27120327218 is 81272302172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26940954769 + 179372449 = 164137^2 + 13393^2 .

It is a super-2 number, since 2×27120327218² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6780081803 + ... + 6780081806.

Almost surely, 2^27120327218 is an apocalyptic number.

27120327218 is a deficient number, since it is larger than the sum of its proper divisors (13560163612).

27120327218 is a wasteful number, since it uses less digits than its factorization.

27120327218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13560163611.

The product of its (nonzero) digits is 18816, while the sum is 35.

The spelling of 27120327218 in words is "twenty-seven billion, one hundred twenty million, three hundred twenty-seven thousand, two hundred eighteen".