27726144834 has 16 divisors (see below), whose sum is σ = 57863259072. Its totient is φ = 8840220048.

The previous prime is 27726144833. The next prime is 27726144851. The reversal of 27726144834 is 43844162772.

It is not an unprimeable number, because it can be changed into a prime (27726144833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100456909 + ... + 100457184.

It is an arithmetic number, because the mean of its divisors is an integer number (3616453692).

Almost surely, 2^27726144834 is an apocalyptic number.

27726144834 is an abundant number, since it is smaller than the sum of its proper divisors (30137114238).

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

27726144834 is a wasteful number, since it uses less digits than its factorization.

27726144834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200914121.

The product of its digits is 1806336, while the sum is 48.

The spelling of 27726144834 in words is "twenty-seven billion, seven hundred twenty-six million, one hundred forty-four thousand, eight hundred thirty-four".