68419417775 has 12 divisors (see below), whose sum is σ = 84844012344. Its totient is φ = 54732996000.

The previous prime is 68419417751. The next prime is 68419417789. The reversal of 68419417775 is 57771491486.

It is a de Polignac number, because none of the positive numbers 2^k-68419417775 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 638840 + ... + 738210.

It is an arithmetic number, because the mean of its divisors is an integer number (7070334362).

Almost surely, 2^68419417775 is an apocalyptic number.

68419417775 is a deficient number, since it is larger than the sum of its proper divisors (16424594569).

68419417775 is a wasteful number, since it uses less digits than its factorization.

68419417775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126922 (or 126917 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 59.

The spelling of 68419417775 in words is "sixty-eight billion, four hundred nineteen million, four hundred seventeen thousand, seven hundred seventy-five".