1327638807 has 12 divisors (see below), whose sum is σ = 2092037064. Its totient is φ = 804629520.

The previous prime is 1327638787. The next prime is 1327638833. The reversal of 1327638807 is 7088367231.

1327638807 is a `hidden beast` number, since 1 + 3 + 2 + 7 + 638 + 8 + 0 + 7 = 666.

It is not a de Polignac number, because 1327638807 - 2¹⁰ = 1327637783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327638877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6705148 + ... + 6705345.

It is an arithmetic number, because the mean of its divisors is an integer number (174336422).

Almost surely, 2^1327638807 is an apocalyptic number.

1327638807 is a deficient number, since it is larger than the sum of its proper divisors (764398257).

1327638807 is a wasteful number, since it uses less digits than its factorization.

1327638807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13410510 (or 13410507 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 1327638807 is about 36436.7782192663. The cubic root of 1327638807 is about 1099.0732709829.

The spelling of 1327638807 in words is "one billion, three hundred twenty-seven million, six hundred thirty-eight thousand, eight hundred seven".