768508208479 has 16 divisors (see below), whose sum is σ = 873612565920. Its totient is φ = 669628879360.

The previous prime is 768508208459. The next prime is 768508208483. The reversal of 768508208479 is 974802805867.

It is a cyclic number.

It is not a de Polignac number, because 768508208479 - 2⁹ = 768508207967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 768508208479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768508208459) 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 15 ways as a sum of consecutive naturals, for example, 8748694 + ... + 8836099.

It is an arithmetic number, because the mean of its divisors is an integer number (54600785370).

Almost surely, 2^768508208479 is an apocalyptic number.

768508208479 is a deficient number, since it is larger than the sum of its proper divisors (105104357441).

768508208479 is a wasteful number, since it uses less digits than its factorization.

768508208479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17584970.

The product of its (nonzero) digits is 54190080, while the sum is 64.

The spelling of 768508208479 in words is "seven hundred sixty-eight billion, five hundred eight million, two hundred eight thousand, four hundred seventy-nine".