108947071685 has 8 divisors (see below), whose sum is σ = 131162339616. Its totient is φ = 86873754960.

The previous prime is 108947071679. The next prime is 108947071711. The reversal of 108947071685 is 586170749801.

It is a happy number.

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

It is not a de Polignac number, because 108947071685 - 2⁶ = 108947071621 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 108947071685.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35486111 + ... + 35489180.

It is an arithmetic number, because the mean of its divisors is an integer number (16395292452).

Almost surely, 2^108947071685 is an apocalyptic number.

It is an amenable number.

108947071685 is a deficient number, since it is larger than the sum of its proper divisors (22215267931).

108947071685 is an equidigital number, since it uses as much as digits as its factorization.

108947071685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70975603.

The product of its (nonzero) digits is 3386880, while the sum is 56.

The spelling of 108947071685 in words is "one hundred eight billion, nine hundred forty-seven million, seventy-one thousand, six hundred eighty-five".