768944888449867 has 4 divisors (see below), whose sum is σ = 779775098146416. Its totient is φ = 758114678753320.

The previous prime is 768944888449847. The next prime is 768944888449877.

It is a happy number.

768944888449867 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 768944888449867 - 2¹⁵ = 768944888417099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768944888449807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5415104848168 + ... + 5415104848309.

It is an arithmetic number, because the mean of its divisors is an integer number (194943774536604).

Almost surely, 2^{768944888449867} is an apocalyptic number.

768944888449867 is a deficient number, since it is larger than the sum of its proper divisors (10830209696549).

768944888449867 is a wasteful number, since it uses less digits than its factorization.

768944888449867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10830209696548.

The product of its digits is 1198597865472, while the sum is 100.

The spelling of 768944888449867 in words is "seven hundred sixty-eight trillion, nine hundred forty-four billion, eight hundred eighty-eight million, four hundred forty-nine thousand, eight hundred sixty-seven".