27825166238 has 4 divisors (see below), whose sum is σ = 41737749360. Its totient is φ = 13912583118.

The previous prime is 27825166163. The next prime is 27825166247. The reversal of 27825166238 is 83266152872.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6956291558 + ... + 6956291561.

It is an arithmetic number, because the mean of its divisors is an integer number (10434437340).

Almost surely, 2^27825166238 is an apocalyptic number.

27825166238 is a deficient number, since it is larger than the sum of its proper divisors (13912583122).

27825166238 is a wasteful number, since it uses less digits than its factorization.

27825166238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13912583121.

The product of its digits is 1935360, while the sum is 50.

The spelling of 27825166238 in words is "twenty-seven billion, eight hundred twenty-five million, one hundred sixty-six thousand, two hundred thirty-eight".