68845486185271 has 8 divisors (see below), whose sum is σ = 68852519326944. Its totient is φ = 68838453411840.

The previous prime is 68845486185263. The next prime is 68845486185293. The reversal of 68845486185271 is 17258168454886.

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

It is a cyclic number.

It is not a de Polignac number, because 68845486185271 - 2³ = 68845486185263 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68845486185194 and 68845486185203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68845486185871) 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 7 ways as a sum of consecutive naturals, for example, 505431351 + ... + 505567543.

It is an arithmetic number, because the mean of its divisors is an integer number (8606564915868).

Almost surely, 2^{68845486185271} is an apocalyptic number.

68845486185271 is a deficient number, since it is larger than the sum of its proper divisors (7033141673).

68845486185271 is a wasteful number, since it uses less digits than its factorization.

68845486185271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184121.

The product of its digits is 825753600, while the sum is 73.

The spelling of 68845486185271 in words is "sixty-eight trillion, eight hundred forty-five billion, four hundred eighty-six million, one hundred eighty-five thousand, two hundred seventy-one".