6768399867 has 8 divisors (see below), whose sum is σ = 9038230080. Its totient is φ = 4505418120.

The previous prime is 6768399853. The next prime is 6768399919. The reversal of 6768399867 is 7689938676.

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

It is not a de Polignac number, because 6768399867 - 2⁴ = 6768399851 is a prime.

It is a super-2 number, since 2×6768399867² = 91622473519211235378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6768399817) 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, 1709809 + ... + 1713762.

It is an arithmetic number, because the mean of its divisors is an integer number (1129778760).

Almost surely, 2^6768399867 is an apocalyptic number.

6768399867 is a deficient number, since it is larger than the sum of its proper divisors (2269830213).

6768399867 is a wasteful number, since it uses less digits than its factorization.

6768399867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424233.

The product of its digits is 164602368, while the sum is 69.

The square root of 6768399867 is about 82270.2854437737. The cubic root of 6768399867 is about 1891.5972301949.

The spelling of 6768399867 in words is "six billion, seven hundred sixty-eight million, three hundred ninety-nine thousand, eight hundred sixty-seven".