27842350686 has 16 divisors (see below), whose sum is σ = 56058426000. Its totient is φ = 9218496128.

The previous prime is 27842350681. The next prime is 27842350687. The reversal of 27842350686 is 68605324872.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27842350681) 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 7 ways as a sum of consecutive naturals, for example, 15570891 + ... + 15572678.

It is an arithmetic number, because the mean of its divisors is an integer number (3503651625).

Almost surely, 2^27842350686 is an apocalyptic number.

27842350686 is an abundant number, since it is smaller than the sum of its proper divisors (28216075314).

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

27842350686 is a wasteful number, since it uses less digits than its factorization.

27842350686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31143723.

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 27842350686 in words is "twenty-seven billion, eight hundred forty-two million, three hundred fifty thousand, six hundred eighty-six".