327997217807 has 8 divisors (see below), whose sum is σ = 374867431200. Its totient is φ = 281130371424.

The previous prime is 327997217789. The next prime is 327997217809. The reversal of 327997217807 is 708712799723.

It is a happy number.

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

It is not a de Polignac number, because 327997217807 - 2¹⁴ = 327997201423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 327997217807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327997217809) 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, 629432 + ... + 1025757.

It is an arithmetic number, because the mean of its divisors is an integer number (46858428900).

Almost surely, 2^327997217807 is an apocalyptic number.

327997217807 is a deficient number, since it is larger than the sum of its proper divisors (46870213393).

327997217807 is a wasteful number, since it uses less digits than its factorization.

327997217807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683505.

The product of its (nonzero) digits is 18670176, while the sum is 62.

The spelling of 327997217807 in words is "three hundred twenty-seven billion, nine hundred ninety-seven million, two hundred seventeen thousand, eight hundred seven".