1327709885 has 16 divisors (see below), whose sum is σ = 1609646256. Its totient is φ = 1051266048.

The previous prime is 1327709857. The next prime is 1327709927. The reversal of 1327709885 is 5889077231.

It can be written as a sum of positive squares in 8 ways, for example, as 171845881 + 1155864004 = 13109^2 + 33998^2 .

It is a cyclic number.

It is not a de Polignac number, because 1327709885 - 2¹⁴ = 1327693501 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562127 + ... + 564483.

It is an arithmetic number, because the mean of its divisors is an integer number (100602891).

Almost surely, 2^1327709885 is an apocalyptic number.

It is an amenable number.

1327709885 is a deficient number, since it is larger than the sum of its proper divisors (281936371).

1327709885 is a wasteful number, since it uses less digits than its factorization.

1327709885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3472.

The product of its (nonzero) digits is 846720, while the sum is 50.

The square root of 1327709885 is about 36437.7535668707. The cubic root of 1327709885 is about 1099.0928843836.

The spelling of 1327709885 in words is "one billion, three hundred twenty-seven million, seven hundred nine thousand, eight hundred eighty-five".