68175146808478 has 8 divisors (see below), whose sum is σ = 102312873588240. Its totient is φ = 34070855612400.

The previous prime is 68175146808409. The next prime is 68175146808479. The reversal of 68175146808478 is 87480864157186.

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

It is a self number, because there is not a number n which added to its sum of digits gives 68175146808478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68175146808479) 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, 8358890823 + ... + 8358898978.

It is an arithmetic number, because the mean of its divisors is an integer number (12789109198530).

Almost surely, 2^{68175146808478} is an apocalyptic number.

68175146808478 is a deficient number, since it is larger than the sum of its proper divisors (34137726779762).

68175146808478 is a wasteful number, since it uses less digits than its factorization.

68175146808478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16717791842.

The product of its (nonzero) digits is 578027520, while the sum is 73.

The spelling of 68175146808478 in words is "sixty-eight trillion, one hundred seventy-five billion, one hundred forty-six million, eight hundred eight thousand, four hundred seventy-eight".