3885536685 has 32 divisors (see below), whose sum is σ = 6461884800. Its totient is φ = 1991962368.

The previous prime is 3885536647. The next prime is 3885536687. The reversal of 3885536685 is 5866355883.

It is not a de Polignac number, because 3885536685 - 2⁹ = 3885536173 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3885536687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3891 + ... + 88239.

It is an arithmetic number, because the mean of its divisors is an integer number (201933900).

Almost surely, 2^3885536685 is an apocalyptic number.

It is an amenable number.

3885536685 is a deficient number, since it is larger than the sum of its proper divisors (2576348115).

3885536685 is a wasteful number, since it uses less digits than its factorization.

3885536685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84477.

The product of its digits is 20736000, while the sum is 57.

The square root of 3885536685 is about 62334.0732264465. The cubic root of 3885536685 is about 1572.1126824386.

The spelling of 3885536685 in words is "three billion, eight hundred eighty-five million, five hundred thirty-six thousand, six hundred eighty-five".