3683868887 has 4 divisors (see below), whose sum is σ = 3685438176. Its totient is φ = 3682299600.

The previous prime is 3683868857. The next prime is 3683868893. The reversal of 3683868887 is 7888683863.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3683868887 - 2⁶ = 3683868823 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 (3683868857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781118 + ... + 785819.

It is an arithmetic number, because the mean of its divisors is an integer number (921359544).

Almost surely, 2^3683868887 is an apocalyptic number.

3683868887 is a deficient number, since it is larger than the sum of its proper divisors (1569289).

3683868887 is a wasteful number, since it uses less digits than its factorization.

3683868887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569288.

The product of its digits is 74317824, while the sum is 65.

The square root of 3683868887 is about 60694.8835323044. The cubic root of 3683868887 is about 1544.4293807844.

The spelling of 3683868887 in words is "three billion, six hundred eighty-three million, eight hundred sixty-eight thousand, eight hundred eighty-seven".