27538877842 has 8 divisors (see below), whose sum is σ = 47209504896. Its totient is φ = 11802376212.

The previous prime is 27538877801. The next prime is 27538877843. The reversal of 27538877842 is 24877883572.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (27538877843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983531338 + ... + 983531365.

It is an arithmetic number, because the mean of its divisors is an integer number (5901188112).

Almost surely, 2^27538877842 is an apocalyptic number.

27538877842 is a deficient number, since it is larger than the sum of its proper divisors (19670627054).

27538877842 is a wasteful number, since it uses less digits than its factorization.

27538877842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967062712.

The product of its digits is 42147840, while the sum is 61.

The spelling of 27538877842 in words is "twenty-seven billion, five hundred thirty-eight million, eight hundred seventy-seven thousand, eight hundred forty-two".