108828805 has 4 divisors (see below), whose sum is σ = 130594572. Its totient is φ = 87063040.

The previous prime is 108828779. The next prime is 108828809. The reversal of 108828805 is 508828801.

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 57017601 + 51811204 = 7551^2 + 7198^2 .

It is not a de Polignac number, because 108828805 - 2¹⁹ = 108304517 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108828809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10882876 + ... + 10882885.

It is an arithmetic number, because the mean of its divisors is an integer number (32648643).

Almost surely, 2^108828805 is an apocalyptic number.

It is an amenable number.

108828805 is a deficient number, since it is larger than the sum of its proper divisors (21765767).

108828805 is an equidigital number, since it uses as much as digits as its factorization.

108828805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21765766.

The product of its (nonzero) digits is 40960, while the sum is 40.

The square root of 108828805 is about 10432.1045336020. The cubic root of 108828805 is about 477.4354033027.

The spelling of 108828805 in words is "one hundred eight million, eight hundred twenty-eight thousand, eight hundred five".