2108786829 has 8 divisors (see below), whose sum is σ = 2811928032. Its totient is φ = 1405751760.

The previous prime is 2108786821. The next prime is 2108786851. The reversal of 2108786829 is 9286878012.

It is a happy number.

2108786829 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2108786829 - 2³ = 2108786821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108786821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62799 + ... + 90339.

It is an arithmetic number, because the mean of its divisors is an integer number (351491004).

Almost surely, 2^2108786829 is an apocalyptic number.

It is an amenable number.

2108786829 is a deficient number, since it is larger than the sum of its proper divisors (703141203).

2108786829 is a wasteful number, since it uses less digits than its factorization.

2108786829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53067.

The product of its (nonzero) digits is 774144, while the sum is 51.

The square root of 2108786829 is about 45921.5290359544. The cubic root of 2108786829 is about 1282.3627479473.

The spelling of 2108786829 in words is "two billion, one hundred eight million, seven hundred eighty-six thousand, eight hundred twenty-nine".