3886517990015 has 24 divisors (see below), whose sum is σ = 5114118072192. Its totient is φ = 2831921994240.

The previous prime is 3886517990011. The next prime is 3886517990057. The reversal of 3886517990015 is 5100997156883.

It is not a de Polignac number, because 3886517990015 - 2² = 3886517990011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3886517990015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3886517990011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43336364 + ... + 43425953.

It is an arithmetic number, because the mean of its divisors is an integer number (213088253008).

Almost surely, 2^{3886517990015} is an apocalyptic number.

3886517990015 is a deficient number, since it is larger than the sum of its proper divisors (1227600082177).

3886517990015 is a wasteful number, since it uses less digits than its factorization.

3886517990015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86762387 (or 86762370 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 62.

The spelling of 3886517990015 in words is "three trillion, eight hundred eighty-six billion, five hundred seventeen million, nine hundred ninety thousand, fifteen".