27938364343 has 8 divisors (see below), whose sum is σ = 28127632896. Its totient is φ = 27749702400.

The previous prime is 27938364271. The next prime is 27938364397. The reversal of 27938364343 is 34346383972.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27938364343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27938367343) 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 7 ways as a sum of consecutive naturals, for example, 59038 + ... + 243643.

It is an arithmetic number, because the mean of its divisors is an integer number (3515954112).

Almost surely, 2^27938364343 is an apocalyptic number.

27938364343 is a deficient number, since it is larger than the sum of its proper divisors (189268553).

27938364343 is a wasteful number, since it uses less digits than its factorization.

27938364343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303305.

The product of its digits is 7838208, while the sum is 52.

The spelling of 27938364343 in words is "twenty-seven billion, nine hundred thirty-eight million, three hundred sixty-four thousand, three hundred forty-three".