27722744806 has 8 divisors (see below), whose sum is σ = 41585086224. Its totient is φ = 13861049400.

The previous prime is 27722744779. The next prime is 27722744831. The reversal of 27722744806 is 60844722772.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 27722744806.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 34125 + ... + 237928.

It is an arithmetic number, because the mean of its divisors is an integer number (5198135778).

Almost surely, 2^27722744806 is an apocalyptic number.

27722744806 is a deficient number, since it is larger than the sum of its proper divisors (13862341418).

27722744806 is a wasteful number, since it uses less digits than its factorization.

27722744806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323006.

The product of its (nonzero) digits is 2107392, while the sum is 49.

The spelling of 27722744806 in words is "twenty-seven billion, seven hundred twenty-two million, seven hundred forty-four thousand, eight hundred six".