27886440798546 has 16 divisors (see below), whose sum is σ = 60843143560608. Its totient is φ = 8450436605600.

The previous prime is 27886440798511. The next prime is 27886440798577. The reversal of 27886440798546 is 64589704468872.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 211260915075 + ... + 211260915206.

It is an arithmetic number, because the mean of its divisors is an integer number (3802696472538).

Almost surely, 2^{27886440798546} is an apocalyptic number.

27886440798546 is an abundant number, since it is smaller than the sum of its proper divisors (32956702762062).

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

27886440798546 is a wasteful number, since it uses less digits than its factorization.

27886440798546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422521830297.

The product of its (nonzero) digits is 5202247680, while the sum is 78.

The spelling of 27886440798546 in words is "twenty-seven trillion, eight hundred eighty-six billion, four hundred forty million, seven hundred ninety-eight thousand, five hundred forty-six".