27318981036 has 12 divisors (see below), whose sum is σ = 63744289112. Its totient is φ = 9106327008.

The previous prime is 27318981031. The next prime is 27318981059. The reversal of 27318981036 is 63018981372.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (27318981031) 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 3 ways as a sum of consecutive naturals, for example, 1138290865 + ... + 1138290888.

Almost surely, 2^27318981036 is an apocalyptic number.

It is an amenable number.

27318981036 is an abundant number, since it is smaller than the sum of its proper divisors (36425308076).

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

27318981036 is a wasteful number, since it uses less digits than its factorization.

27318981036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276581760 (or 2276581758 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 27318981036 in words is "twenty-seven billion, three hundred eighteen million, nine hundred eighty-one thousand, thirty-six".