3986387715627 has 48 divisors (see below), whose sum is σ = 6138970276608. Its totient is φ = 2488770385920.

The previous prime is 3986387715577. The next prime is 3986387715641. The reversal of 3986387715627 is 7265177836893.

3986387715627 is a `hidden beast` number, since 3 + 98 + 6 + 387 + 7 + 156 + 2 + 7 = 666.

It is not a de Polignac number, because 3986387715627 - 2⁸ = 3986387715371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3986387715227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 767038 + ... + 2925939.

It is an arithmetic number, because the mean of its divisors is an integer number (127895214096).

Almost surely, 2^{3986387715627} is an apocalyptic number.

3986387715627 is a deficient number, since it is larger than the sum of its proper divisors (2152582560981).

3986387715627 is a wasteful number, since it uses less digits than its factorization.

3986387715627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693140 (or 3693137 counting only the distinct ones).

The product of its digits is 640120320, while the sum is 72.

The spelling of 3986387715627 in words is "three trillion, nine hundred eighty-six billion, three hundred eighty-seven million, seven hundred fifteen thousand, six hundred twenty-seven".