27439705938 has 32 divisors (see below), whose sum is σ = 56410902720. Its totient is φ = 8891743680.

The previous prime is 27439705927. The next prime is 27439705963. The reversal of 27439705938 is 83950793472.

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 15 ways as a sum of consecutive naturals, for example, 209853 + ... + 314511.

It is an arithmetic number, because the mean of its divisors is an integer number (1762840710).

Almost surely, 2^27439705938 is an apocalyptic number.

27439705938 is an abundant number, since it is smaller than the sum of its proper divisors (28971196782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27439705938 is a wasteful number, since it uses less digits than its factorization.

27439705938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105882.

The product of its (nonzero) digits is 11430720, while the sum is 57.

The spelling of 27439705938 in words is "twenty-seven billion, four hundred thirty-nine million, seven hundred five thousand, nine hundred thirty-eight".