27944648005 has 16 divisors (see below), whose sum is σ = 34323467904. Its totient is φ = 21829429440.

The previous prime is 27944647933. The next prime is 27944648027. The reversal of 27944648005 is 50084644972.

It is not a de Polignac number, because 27944648005 - 2¹¹ = 27944645957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27944648005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 799240 + ... + 833470.

It is an arithmetic number, because the mean of its divisors is an integer number (2145216744).

Almost surely, 2^27944648005 is an apocalyptic number.

It is an amenable number.

27944648005 is a deficient number, since it is larger than the sum of its proper divisors (6378819899).

27944648005 is a wasteful number, since it uses less digits than its factorization.

27944648005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38076.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 27944648005 in words is "twenty-seven billion, nine hundred forty-four million, six hundred forty-eight thousand, five".