1327768704 has 96 divisors (see below), whose sum is σ = 3827949840. Its totient is φ = 441761280.

The previous prime is 1327768699. The next prime is 1327768769. The reversal of 1327768704 is 4078677231.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 1327768704.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1117999 + ... + 1119185.

Almost surely, 2^1327768704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1327768704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1913974920).

1327768704 is an abundant number, since it is smaller than the sum of its proper divisors (2500181136).

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

1327768704 is a wasteful number, since it uses less digits than its factorization.

1327768704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178 (or 2163 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 1327768704 is about 36438.5606740991. The cubic root of 1327768704 is about 1099.1091144829.

The spelling of 1327768704 in words is "one billion, three hundred twenty-seven million, seven hundred sixty-eight thousand, seven hundred four".