768868867 has 4 divisors (see below), whose sum is σ = 828012640. Its totient is φ = 709725096.

The previous prime is 768868861. The next prime is 768868871.

768868867 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 768868867 - 2²⁷ = 634651139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 768868799 and 768868808.

It is not an unprimeable number, because it can be changed into a prime (768868861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29571867 + ... + 29571892.

It is an arithmetic number, because the mean of its divisors is an integer number (207003160).

Almost surely, 2^768868867 is an apocalyptic number.

768868867 is a deficient number, since it is larger than the sum of its proper divisors (59143773).

768868867 is a wasteful number, since it uses less digits than its factorization.

768868867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59143772.

The product of its digits is 43352064, while the sum is 64.

The square root of 768868867 is about 27728.4847584573. The cubic root of 768868867 is about 916.1166126495.

The spelling of 768868867 in words is "seven hundred sixty-eight million, eight hundred sixty-eight thousand, eight hundred sixty-seven".