6683378867 has 4 divisors (see below), whose sum is σ = 7290958776. Its totient is φ = 6075798960.

The previous prime is 6683378851. The next prime is 6683378941. The reversal of 6683378867 is 7688733866.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6683378867 - 2⁴ = 6683378851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6683398867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303789938 + ... + 303789959.

It is an arithmetic number, because the mean of its divisors is an integer number (1822739694).

Almost surely, 2^6683378867 is an apocalyptic number.

6683378867 is a deficient number, since it is larger than the sum of its proper divisors (607579909).

6683378867 is a wasteful number, since it uses less digits than its factorization.

6683378867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607579908.

The product of its digits is 48771072, while the sum is 62.

The square root of 6683378867 is about 81751.9349434617. The cubic root of 6683378867 is about 1883.6434237070.

The spelling of 6683378867 in words is "six billion, six hundred eighty-three million, three hundred seventy-eight thousand, eight hundred sixty-seven".