5678327668 has 18 divisors (see below), whose sum is σ = 10760264214. Its totient is φ = 2620766304.

The previous prime is 5678327663. The next prime is 5678327671. The reversal of 5678327668 is 8667238765.

It can be written as a sum of positive squares in 3 ways, for example, as 311593104 + 5366734564 = 17652^2 + 73258^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5678327663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4199271 + ... + 4200622.

Almost surely, 2^5678327668 is an apocalyptic number.

It is an amenable number.

5678327668 is a deficient number, since it is larger than the sum of its proper divisors (5081936546).

5678327668 is a wasteful number, since it uses less digits than its factorization.

5678327668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8399923 (or 8399908 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 58.

The square root of 5678327668 is about 75354.6791380602. The cubic root of 5678327668 is about 1784.0491571680.

The spelling of 5678327668 in words is "five billion, six hundred seventy-eight million, three hundred twenty-seven thousand, six hundred sixty-eight".