27726868805 has 32 divisors (see below), whose sum is σ = 35108702208. Its totient is φ = 20979604800.

The previous prime is 27726868789. The next prime is 27726868823. The reversal of 27726868805 is 50886862772.

It is not a de Polignac number, because 27726868805 - 2⁴ = 27726868789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 7762670 + ... + 7766240.

It is an arithmetic number, because the mean of its divisors is an integer number (1097146944).

Almost surely, 2^27726868805 is an apocalyptic number.

It is an amenable number.

27726868805 is a deficient number, since it is larger than the sum of its proper divisors (7381833403).

27726868805 is a wasteful number, since it uses less digits than its factorization.

27726868805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4337.

The product of its (nonzero) digits is 18063360, while the sum is 59.

The spelling of 27726868805 in words is "twenty-seven billion, seven hundred twenty-six million, eight hundred sixty-eight thousand, eight hundred five".