27042675838 has 4 divisors (see below), whose sum is σ = 40564013760. Its totient is φ = 13521337918.

The previous prime is 27042675833. The next prime is 27042675839. The reversal of 27042675838 is 83857624072.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27042675833) by changing a digit.

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, 6760668958 + ... + 6760668961.

It is an arithmetic number, because the mean of its divisors is an integer number (10141003440).

Almost surely, 2^27042675838 is an apocalyptic number.

27042675838 is a deficient number, since it is larger than the sum of its proper divisors (13521337922).

27042675838 is a wasteful number, since it uses less digits than its factorization.

27042675838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13521337921.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 27042675838 in words is "twenty-seven billion, forty-two million, six hundred seventy-five thousand, eight hundred thirty-eight".