1327891699 has 8 divisors (see below), whose sum is σ = 1337469408. Its totient is φ = 1318343040.

The previous prime is 1327891687. The next prime is 1327891717. The reversal of 1327891699 is 9961987231.

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 1327891699 - 2¹³ = 1327883507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1327891639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89019 + ... + 102859.

It is an arithmetic number, because the mean of its divisors is an integer number (167183676).

Almost surely, 2^1327891699 is an apocalyptic number.

1327891699 is a deficient number, since it is larger than the sum of its proper divisors (9577709).

1327891699 is a wasteful number, since it uses less digits than its factorization.

1327891699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14525.

The product of its digits is 1469664, while the sum is 55.

The square root of 1327891699 is about 36440.2483388903. The cubic root of 1327891699 is about 1099.1430513052.

The spelling of 1327891699 in words is "one billion, three hundred twenty-seven million, eight hundred ninety-one thousand, six hundred ninety-nine".