2582785826 has 16 divisors (see below), whose sum is σ = 4144366296. Its totient is φ = 1202896896.

The previous prime is 2582785823. The next prime is 2582785871. The reversal of 2582785826 is 6285872852.

2582785826 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2567955625 + 14830201 = 50675^2 + 3851^2 .

It is not an unprimeable number, because it can be changed into a prime (2582785823) 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, 388271 + ... + 394866.

Almost surely, 2^2582785826 is an apocalyptic number.

2582785826 is a deficient number, since it is larger than the sum of its proper divisors (1561580470).

2582785826 is a wasteful number, since it uses less digits than its factorization.

2582785826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783253.

The product of its digits is 4300800, while the sum is 53.

The square root of 2582785826 is about 50821.1159460317. The cubic root of 2582785826 is about 1372.0274430191.

The spelling of 2582785826 in words is "two billion, five hundred eighty-two million, seven hundred eighty-five thousand, eight hundred twenty-six".