327698667 has 6 divisors (see below), whose sum is σ = 473342532. Its totient is φ = 218465772.

The previous prime is 327698633. The next prime is 327698699. The reversal of 327698667 is 766896723.

It is not a de Polignac number, because 327698667 - 2¹² = 327694571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (327698627) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 18205473 + ... + 18205490.

It is an arithmetic number, because the mean of its divisors is an integer number (78890422).

Almost surely, 2^327698667 is an apocalyptic number.

327698667 is a deficient number, since it is larger than the sum of its proper divisors (145643865).

327698667 is a wasteful number, since it uses less digits than its factorization.

327698667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36410969 (or 36410966 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The square root of 327698667 is about 18102.4491989344. The cubic root of 327698667 is about 689.4321919784.

The spelling of 327698667 in words is "three hundred twenty-seven million, six hundred ninety-eight thousand, six hundred sixty-seven".