68673955937686 has 8 divisors (see below), whose sum is σ = 112375564261704. Its totient is φ = 31215434517120.

The previous prime is 68673955937677. The next prime is 68673955937723.

68673955937686 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×68673955937686² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68673955937597 and 68673955937606.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1560771725835 + ... + 1560771725878.

It is an arithmetic number, because the mean of its divisors is an integer number (14046945532713).

Almost surely, 2^{68673955937686} is an apocalyptic number.

68673955937686 is a deficient number, since it is larger than the sum of its proper divisors (43701608324018).

68673955937686 is a wasteful number, since it uses less digits than its factorization.

68673955937686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121543451726.

The product of its digits is 74071065600, while the sum is 88.

The spelling of 68673955937686 in words is "sixty-eight trillion, six hundred seventy-three billion, nine hundred fifty-five million, nine hundred thirty-seven thousand, six hundred eighty-six".