68829284717 has 4 divisors (see below), whose sum is σ = 71049584256. Its totient is φ = 66608985180.

The previous prime is 68829284687. The next prime is 68829284747. The reversal of 68829284717 is 71748292886.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (68829284687) and next prime (68829284747).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68829284717 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 68829284717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68829284747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110149723 + ... + 1110149784.

It is an arithmetic number, because the mean of its divisors is an integer number (17762396064).

Almost surely, 2^68829284717 is an apocalyptic number.

It is an amenable number.

68829284717 is a deficient number, since it is larger than the sum of its proper divisors (2220299539).

68829284717 is a wasteful number, since it uses less digits than its factorization.

68829284717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220299538.

The product of its digits is 21676032, while the sum is 62.

The spelling of 68829284717 in words is "sixty-eight billion, eight hundred twenty-nine million, two hundred eighty-four thousand, seven hundred seventeen".