68471770317 has 8 divisors (see below), whose sum is σ = 91462598496. Its totient is φ = 45564394512.

The previous prime is 68471770303. The next prime is 68471770331. The reversal of 68471770317 is 71307717486.

It is an interprime number because it is at equal distance from previous prime (68471770303) and next prime (68471770331).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68471770317 - 2¹⁸ = 68471508173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68471770317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68471770117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20861178 + ... + 20864459.

It is an arithmetic number, because the mean of its divisors is an integer number (11432824812).

Almost surely, 2^68471770317 is an apocalyptic number.

It is an amenable number.

68471770317 is a deficient number, since it is larger than the sum of its proper divisors (22990828179).

68471770317 is a wasteful number, since it uses less digits than its factorization.

68471770317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41726187.

The product of its (nonzero) digits is 1382976, while the sum is 51.

The spelling of 68471770317 in words is "sixty-eight billion, four hundred seventy-one million, seven hundred seventy thousand, three hundred seventeen".