27321793844 has 6 divisors (see below), whose sum is σ = 47813139234. Its totient is φ = 13660896920.

The previous prime is 27321793843. The next prime is 27321793847. The reversal of 27321793844 is 44839712372.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24164702500 + 3157091344 = 155450^2 + 56188^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27321793792 and 27321793801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27321793841) 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 as a sum of consecutive naturals, namely, 3415224227 + ... + 3415224234.

It is an arithmetic number, because the mean of its divisors is an integer number (7968856539).

Almost surely, 2^27321793844 is an apocalyptic number.

It is an amenable number.

27321793844 is a deficient number, since it is larger than the sum of its proper divisors (20491345390).

27321793844 is a wasteful number, since it uses less digits than its factorization.

27321793844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6830448465 (or 6830448463 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 50.

The spelling of 27321793844 in words is "twenty-seven billion, three hundred twenty-one million, seven hundred ninety-three thousand, eight hundred forty-four".