768919919867 has 8 divisors (see below), whose sum is σ = 859280797872. Its totient is φ = 681968886400.

The previous prime is 768919919821. The next prime is 768919919881.

768919919867 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 768919919867 - 2³² = 764624952571 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 768919919791 and 768919919800.

It is not an unprimeable number, because it can be changed into a prime (768919919167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852460658 + ... + 852461559.

It is an arithmetic number, because the mean of its divisors is an integer number (107410099734).

Almost surely, 2^768919919867 is an apocalyptic number.

768919919867 is a deficient number, since it is larger than the sum of its proper divisors (90360878005).

768919919867 is a wasteful number, since it uses less digits than its factorization.

768919919867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704922269.

The product of its digits is 740710656, while the sum is 80.

The spelling of 768919919867 in words is "seven hundred sixty-eight billion, nine hundred nineteen million, nine hundred nineteen thousand, eight hundred sixty-seven".