108868006385 has 4 divisors (see below), whose sum is σ = 130641607668. Its totient is φ = 87094405104.

The previous prime is 108868006381. The next prime is 108868006421. The reversal of 108868006385 is 583600868801.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24568368049 + 84299638336 = 156743^2 + 290344^2 .

It is a cyclic number.

It is not a de Polignac number, because 108868006385 - 2² = 108868006381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108868006381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10886800634 + ... + 10886800643.

It is an arithmetic number, because the mean of its divisors is an integer number (32660401917).

Almost surely, 2^108868006385 is an apocalyptic number.

It is an amenable number.

108868006385 is a deficient number, since it is larger than the sum of its proper divisors (21773601283).

108868006385 is an equidigital number, since it uses as much as digits as its factorization.

108868006385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21773601282.

The product of its (nonzero) digits is 2211840, while the sum is 53.

The spelling of 108868006385 in words is "one hundred eight billion, eight hundred sixty-eight million, six thousand, three hundred eighty-five".