108947804242686 has 32 divisors (see below), whose sum is σ = 218966306227200. Its totient is φ = 36137806948320.

The previous prime is 108947804242657. The next prime is 108947804242709. The reversal of 108947804242686 is 686242408749801.

It is a self number, because there is not a number n which added to its sum of digits gives 108947804242686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38873350 + ... + 41581641.

It is an arithmetic number, because the mean of its divisors is an integer number (6842697069600).

Almost surely, 2^{108947804242686} is an apocalyptic number.

108947804242686 is an abundant number, since it is smaller than the sum of its proper divisors (110018501984514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108947804242686 is a wasteful number, since it uses less digits than its factorization.

108947804242686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80456104.

The product of its (nonzero) digits is 297271296, while the sum is 69.

The spelling of 108947804242686 in words is "one hundred eight trillion, nine hundred forty-seven billion, eight hundred four million, two hundred forty-two thousand, six hundred eighty-six".