1327692985 has 8 divisors (see below), whose sum is σ = 1593998280. Its totient is φ = 1061643264.

The previous prime is 1327692973. The next prime is 1327693021. The reversal of 1327692985 is 5892967231.

It can be written as a sum of positive squares in 4 ways, for example, as 620944 + 1327072041 = 788^2 + 36429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1327692985 - 2⁵ = 1327692953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52270 + ... + 73399.

It is an arithmetic number, because the mean of its divisors is an integer number (199249785).

Almost surely, 2^1327692985 is an apocalyptic number.

It is an amenable number.

1327692985 is a deficient number, since it is larger than the sum of its proper divisors (266305295).

1327692985 is a wasteful number, since it uses less digits than its factorization.

1327692985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127787.

The product of its digits is 1632960, while the sum is 52.

The square root of 1327692985 is about 36437.5216638015. The cubic root of 1327692985 is about 1099.0882210284.

The spelling of 1327692985 in words is "one billion, three hundred twenty-seven million, six hundred ninety-two thousand, nine hundred eighty-five".