108643679 has 8 divisors (see below), whose sum is σ = 110716320. Its totient is φ = 106590816.

The previous prime is 108643663. The next prime is 108643741. The reversal of 108643679 is 976346801.

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

It is a cyclic number.

It is not a de Polignac number, because 108643679 - 2⁴ = 108643663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108643879) by changing a digit.

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, 6389 + ... + 16065.

It is an arithmetic number, because the mean of its divisors is an integer number (13839540).

Almost surely, 2^108643679 is an apocalyptic number.

108643679 is a deficient number, since it is larger than the sum of its proper divisors (2072641).

108643679 is a wasteful number, since it uses less digits than its factorization.

108643679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9889.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 108643679 is about 10423.2278589696. The cubic root of 108643679 is about 477.1645317848.

The spelling of 108643679 in words is "one hundred eight million, six hundred forty-three thousand, six hundred seventy-nine".