27138198286 has 8 divisors (see below), whose sum is σ = 40730210640. Its totient is φ = 13561461408.

The previous prime is 27138198277. The next prime is 27138198287. The reversal of 27138198286 is 68289183172.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27138198287) by changing a digit.

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, 3814426 + ... + 3821533.

It is an arithmetic number, because the mean of its divisors is an integer number (5091276330).

Almost surely, 2^27138198286 is an apocalyptic number.

27138198286 is a deficient number, since it is larger than the sum of its proper divisors (13592012354).

27138198286 is a wasteful number, since it uses less digits than its factorization.

27138198286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7637738.

The product of its digits is 2322432, while the sum is 55.

The spelling of 27138198286 in words is "twenty-seven billion, one hundred thirty-eight million, one hundred ninety-eight thousand, two hundred eighty-six".