3835866520674 has 12 divisors (see below), whose sum is σ = 8311044128166. Its totient is φ = 1278622173552.

The previous prime is 3835866520667. The next prime is 3835866520711. The reversal of 3835866520674 is 4760256685383.

3835866520674 is a `hidden beast` number, since 3 + 8 + 35 + 8 + 6 + 6 + 520 + 6 + 74 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3772315640025 + 63550880649 = 1942245^2 + 252093^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106551847779 + ... + 106551847814.

Almost surely, 2^{3835866520674} is an apocalyptic number.

3835866520674 is an abundant number, since it is smaller than the sum of its proper divisors (4475177607492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3835866520674 is a wasteful number, since it uses less digits than its factorization.

3835866520674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213103695601 (or 213103695598 counting only the distinct ones).

The product of its (nonzero) digits is 174182400, while the sum is 63.

The spelling of 3835866520674 in words is "three trillion, eight hundred thirty-five billion, eight hundred sixty-six million, five hundred twenty thousand, six hundred seventy-four".