108684569279667 has 4 divisors (see below), whose sum is σ = 144912759039560. Its totient is φ = 72456379519776.

The previous prime is 108684569279603. The next prime is 108684569279717. The reversal of 108684569279667 is 766972965486801.

108684569279667 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 108684569279667 - 2⁶ = 108684569279603 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 108684569279667.

It is not an unprimeable number, because it can be changed into a prime (108684569279567) 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, 18114094879942 + ... + 18114094879947.

It is an arithmetic number, because the mean of its divisors is an integer number (36228189759890).

Almost surely, 2^{108684569279667} is an apocalyptic number.

108684569279667 is a deficient number, since it is larger than the sum of its proper divisors (36228189759893).

108684569279667 is an equidigital number, since it uses as much as digits as its factorization.

108684569279667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36228189759892.

The product of its (nonzero) digits is 13168189440, while the sum is 84.

The spelling of 108684569279667 in words is "one hundred eight trillion, six hundred eighty-four billion, five hundred sixty-nine million, two hundred seventy-nine thousand, six hundred sixty-seven".