27777716344 has 16 divisors (see below), whose sum is σ = 59523678000. Its totient is φ = 11904735552.

The previous prime is 27777716341. The next prime is 27777716359. The reversal of 27777716344 is 44361777772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27777716341) by changing a digit.

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, 248015269 + ... + 248015380.

It is an arithmetic number, because the mean of its divisors is an integer number (3720229875).

Almost surely, 2^27777716344 is an apocalyptic number.

It is an amenable number.

27777716344 is an abundant number, since it is smaller than the sum of its proper divisors (31745961656).

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

27777716344 is a wasteful number, since it uses less digits than its factorization.

27777716344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496030662 (or 496030658 counting only the distinct ones).

The product of its digits is 9680832, while the sum is 55.

The spelling of 27777716344 in words is "twenty-seven billion, seven hundred seventy-seven million, seven hundred sixteen thousand, three hundred forty-four".