3855896906782 has 16 divisors (see below), whose sum is σ = 5795910881280. Its totient is φ = 1923926872248.

The previous prime is 3855896906749. The next prime is 3855896906803. The reversal of 3855896906782 is 2876096985583.

It is a junction number, because it is equal to n+sod(n) for n = 3855896906699 and 3855896906708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48745219 + ... + 48824257.

It is an arithmetic number, because the mean of its divisors is an integer number (362244430080).

Almost surely, 2^{3855896906782} is an apocalyptic number.

3855896906782 is a deficient number, since it is larger than the sum of its proper divisors (1940013974498).

3855896906782 is a wasteful number, since it uses less digits than its factorization.

3855896906782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129615.

The product of its (nonzero) digits is 1567641600, while the sum is 76.

The spelling of 3855896906782 in words is "three trillion, eight hundred fifty-five billion, eight hundred ninety-six million, nine hundred six thousand, seven hundred eighty-two".