3826782639 has 12 divisors (see below), whose sum is σ = 5528822416. Its totient is φ = 2550612672.

The previous prime is 3826782613. The next prime is 3826782643. The reversal of 3826782639 is 9362876283.

It is a happy number.

It is not a de Polignac number, because 3826782639 - 2⁵ = 3826782607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3826782679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3739 + ... + 87564.

Almost surely, 2^3826782639 is an apocalyptic number.

3826782639 is a deficient number, since it is larger than the sum of its proper divisors (1702039777).

3826782639 is a wasteful number, since it uses less digits than its factorization.

3826782639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95966 (or 95963 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 3826782639 is about 61860.9944876414. The cubic root of 3826782639 is about 1564.1483168530.

The spelling of 3826782639 in words is "three billion, eight hundred twenty-six million, seven hundred eighty-two thousand, six hundred thirty-nine".