3668387503887 has 12 divisors (see below), whose sum is σ = 5313541793040. Its totient is φ = 2438779434048.

The previous prime is 3668387503873. The next prime is 3668387503897. The reversal of 3668387503887 is 7883057838663.

It is a happy number.

3668387503887 is a `hidden beast` number, since 3 + 6 + 6 + 8 + 38 + 7 + 503 + 8 + 87 = 666.

It is not a de Polignac number, because 3668387503887 - 2¹⁴ = 3668387487503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3668387503817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 567682858 + ... + 567689319.

It is an arithmetic number, because the mean of its divisors is an integer number (442795149420).

Almost surely, 2^{3668387503887} is an apocalyptic number.

3668387503887 is a deficient number, since it is larger than the sum of its proper divisors (1645154289153).

3668387503887 is a wasteful number, since it uses less digits than its factorization.

3668387503887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135372542 (or 1135372539 counting only the distinct ones).

The product of its (nonzero) digits is 975421440, while the sum is 72.

The spelling of 3668387503887 in words is "three trillion, six hundred sixty-eight billion, three hundred eighty-seven million, five hundred three thousand, eight hundred eighty-seven".