27938279345242 has 8 divisors (see below), whose sum is σ = 47894193163296. Its totient is φ = 11973548290812.

The previous prime is 27938279345227. The next prime is 27938279345279. The reversal of 27938279345242 is 24254397283972.

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

It is a super-3 number, since 3×27938279345242³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997795690888 + ... + 997795690915.

It is an arithmetic number, because the mean of its divisors is an integer number (5986774145412).

Almost surely, 2^{27938279345242} is an apocalyptic number.

27938279345242 is a deficient number, since it is larger than the sum of its proper divisors (19955913818054).

27938279345242 is a wasteful number, since it uses less digits than its factorization.

27938279345242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995591381812.

The product of its digits is 365783040, while the sum is 67.

The spelling of 27938279345242 in words is "twenty-seven trillion, nine hundred thirty-eight billion, two hundred seventy-nine million, three hundred forty-five thousand, two hundred forty-two".