3888888888815 has 16 divisors (see below), whose sum is σ = 5342576572992. Its totient is φ = 2662045046784.

The previous prime is 3888888888761. The next prime is 3888888888817. The reversal of 3888888888815 is 5188888888883.

It is a cyclic number.

It is not a de Polignac number, because 3888888888815 - 2¹⁰ = 3888888887791 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 (3888888888817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96263264 + ... + 96303653.

It is an arithmetic number, because the mean of its divisors is an integer number (333911035812).

Almost surely, 2^{3888888888815} is an apocalyptic number.

3888888888815 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3888888888815 is a deficient number, since it is larger than the sum of its proper divisors (1453687684177).

3888888888815 is a wasteful number, since it uses less digits than its factorization.

3888888888815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192567506.

The product of its digits is 16106127360, while the sum is 89.

The spelling of 3888888888815 in words is "three trillion, eight hundred eighty-eight billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred fifteen".