27938596484738 has 4 divisors (see below), whose sum is σ = 41907894727110. Its totient is φ = 13969298242368.

The previous prime is 27938596484639. The next prime is 27938596484759. The reversal of 27938596484738 is 83748469583972.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27649897672489 + 288698812249 = 5258317^2 + 537307^2 .

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 as a sum of consecutive naturals, namely, 6984649121183 + ... + 6984649121186.

Almost surely, 2^{27938596484738} is an apocalyptic number.

27938596484738 is a deficient number, since it is larger than the sum of its proper divisors (13969298242372).

27938596484738 is a wasteful number, since it uses less digits than its factorization.

27938596484738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13969298242371.

The product of its digits is 17557585920, while the sum is 83.

The spelling of 27938596484738 in words is "twenty-seven trillion, nine hundred thirty-eight billion, five hundred ninety-six million, four hundred eighty-four thousand, seven hundred thirty-eight".