3986387715628 has 24 divisors (see below), whose sum is σ = 7014311140032. Its totient is φ = 1982317367184.

The previous prime is 3986387715577. The next prime is 3986387715641. The reversal of 3986387715628 is 8265177836893.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1458126 + ... + 3177877.

It is an arithmetic number, because the mean of its divisors is an integer number (292262964168).

Almost surely, 2^{3986387715628} is an apocalyptic number.

It is an amenable number.

3986387715628 is a deficient number, since it is larger than the sum of its proper divisors (3027923424404).

3986387715628 is a wasteful number, since it uses less digits than its factorization.

3986387715628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4637181 (or 4637179 counting only the distinct ones).

The product of its digits is 731566080, while the sum is 73.

The spelling of 3986387715628 in words is "three trillion, nine hundred eighty-six billion, three hundred eighty-seven million, seven hundred fifteen thousand, six hundred twenty-eight".