1327788432 has 60 divisors (see below), whose sum is σ = 3844112220. Its totient is φ = 427332864.

The previous prime is 1327788421. The next prime is 1327788463. The reversal of 1327788432 is 2348877231.

1327788432 is a `hidden beast` number, since 132 + 7 + 7 + 88 + 432 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1008951696 + 318836736 = 31764^2 + 17856^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154803 + ... + 163154.

It is an arithmetic number, because the mean of its divisors is an integer number (64068537).

Almost surely, 2^1327788432 is an apocalyptic number.

1327788432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1327788432 is an abundant number, since it is smaller than the sum of its proper divisors (2516323788).

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

1327788432 is a wasteful number, since it uses less digits than its factorization.

1327788432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318000 (or 317991 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 1327788432 is about 36438.8313753336. The cubic root of 1327788432 is about 1099.1145579805.

The spelling of 1327788432 in words is "one billion, three hundred twenty-seven million, seven hundred eighty-eight thousand, four hundred thirty-two".