108641857247 has 8 divisors (see below), whose sum is σ = 135449588352. Its totient is φ = 84655992600.

The previous prime is 108641857223. The next prime is 108641857319. The reversal of 108641857247 is 742758146801.

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 108641857247 - 2²² = 108637662943 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 (108641857847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705466529 + ... + 705466682.

It is an arithmetic number, because the mean of its divisors is an integer number (16931198544).

Almost surely, 2^108641857247 is an apocalyptic number.

108641857247 is a deficient number, since it is larger than the sum of its proper divisors (26807731105).

108641857247 is a wasteful number, since it uses less digits than its factorization.

108641857247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410933229.

The product of its (nonzero) digits is 3010560, while the sum is 53.

The spelling of 108641857247 in words is "one hundred eight billion, six hundred forty-one million, eight hundred fifty-seven thousand, two hundred forty-seven".