2108826782 has 4 divisors (see below), whose sum is σ = 3163240176. Its totient is φ = 1054413390.

The previous prime is 2108826781. The next prime is 2108826817. The reversal of 2108826782 is 2876288012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108826781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527206694 + ... + 527206697.

It is an arithmetic number, because the mean of its divisors is an integer number (790810044).

Almost surely, 2^2108826782 is an apocalyptic number.

2108826782 is a deficient number, since it is larger than the sum of its proper divisors (1054413394).

2108826782 is a wasteful number, since it uses less digits than its factorization.

2108826782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054413393.

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 2108826782 is about 45921.9640477190. The cubic root of 2108826782 is about 1282.3708464292.

The spelling of 2108826782 in words is "two billion, one hundred eight million, eight hundred twenty-six thousand, seven hundred eighty-two".