108854617 has 4 divisors (see below), whose sum is σ = 108878500. Its totient is φ = 108830736.

The previous prime is 108854611. The next prime is 108854651. The reversal of 108854617 is 716458801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 716458801 = 24749 ⋅28949.

It can be written as a sum of positive squares in 2 ways, for example, as 58003456 + 50851161 = 7616^2 + 7131^2 .

It is a cyclic number.

It is not a de Polignac number, because 108854617 - 2¹⁹ = 108330329 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 108854617.

It is not an unprimeable number, because it can be changed into a prime (108854611) 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, 2742 + ... + 15007.

It is an arithmetic number, because the mean of its divisors is an integer number (27219625).

Almost surely, 2^108854617 is an apocalyptic number.

It is an amenable number.

108854617 is a deficient number, since it is larger than the sum of its proper divisors (23883).

108854617 is an equidigital number, since it uses as much as digits as its factorization.

108854617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23882.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 108854617 is about 10433.3416027656. The cubic root of 108854617 is about 477.4731463385.

The spelling of 108854617 in words is "one hundred eight million, eight hundred fifty-four thousand, six hundred seventeen".