3786867687 has 8 divisors (see below), whose sum is σ = 5049815680. Its totient is φ = 2524249080.

The previous prime is 3786867673. The next prime is 3786867703. The reversal of 3786867687 is 7867686873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3786867687 - 2¹⁰ = 3786866663 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 (3786867787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54139 + ... + 102492.

It is an arithmetic number, because the mean of its divisors is an integer number (631226960).

Almost surely, 2^3786867687 is an apocalyptic number.

3786867687 is a deficient number, since it is larger than the sum of its proper divisors (1262947993).

3786867687 is a wasteful number, since it uses less digits than its factorization.

3786867687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164693.

The product of its digits is 113799168, while the sum is 66.

The square root of 3786867687 is about 61537.5307190661. The cubic root of 3786867687 is about 1558.6910572613.

The spelling of 3786867687 in words is "three billion, seven hundred eighty-six million, eight hundred sixty-seven thousand, six hundred eighty-seven".