768686867 has 6 divisors (see below), whose sum is σ = 832365252. Its totient is φ = 709556952.

The previous prime is 768686843. The next prime is 768686873.

768686867 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 768686867 - 2¹⁰ = 768685843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768686167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2274053 + ... + 2274390.

It is an arithmetic number, because the mean of its divisors is an integer number (138727542).

Almost surely, 2^768686867 is an apocalyptic number.

768686867 is a deficient number, since it is larger than the sum of its proper divisors (63678385).

768686867 is a wasteful number, since it uses less digits than its factorization.

768686867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4548469 (or 4548456 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 62.

The square root of 768686867 is about 27725.2027404670. The cubic root of 768686867 is about 916.0443218735.

The spelling of 768686867 in words is "seven hundred sixty-eight million, six hundred eighty-six thousand, eight hundred sixty-seven".