27038609538 has 8 divisors (see below), whose sum is σ = 54077219088. Its totient is φ = 9012869844.

The previous prime is 27038609467. The next prime is 27038609617. The reversal of 27038609538 is 83590683072.

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

27038609538 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2253217456 + ... + 2253217467.

It is an arithmetic number, because the mean of its divisors is an integer number (6759652386).

Almost surely, 2^27038609538 is an apocalyptic number.

27038609538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27038609538 is a wasteful number, since it uses less digits than its factorization.

27038609538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506434928.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 27038609538 in words is "twenty-seven billion, thirty-eight million, six hundred nine thousand, five hundred thirty-eight".