27727742338 has 8 divisors (see below), whose sum is σ = 41770118988. Its totient is φ = 13804369344.

The previous prime is 27727742327. The next prime is 27727742347. The reversal of 27727742338 is 83324772772.

It can be written as a sum of positive squares in 2 ways, for example, as 24616668609 + 3111073729 = 156897^2 + 55777^2 .

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

It is an unprimeable number.

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, 29750331 + ... + 29751262.

Almost surely, 2^27727742338 is an apocalyptic number.

27727742338 is a deficient number, since it is larger than the sum of its proper divisors (14042376650).

27727742338 is a wasteful number, since it uses less digits than its factorization.

27727742338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59501828.

The product of its digits is 5531904, while the sum is 52.

The spelling of 27727742338 in words is "twenty-seven billion, seven hundred twenty-seven million, seven hundred forty-two thousand, three hundred thirty-eight".