3668687055387 has 12 divisors (see below), whose sum is σ = 5399199818064. Its totient is φ = 2399644362960.

The previous prime is 3668687055379. The next prime is 3668687055421. The reversal of 3668687055387 is 7835507868663.

3668687055387 is a `hidden beast` number, since 3 + 6 + 6 + 8 + 6 + 87 + 0 + 5 + 538 + 7 = 666.

It is not a de Polignac number, because 3668687055387 - 2³ = 3668687055379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3668687055337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3845583439 + ... + 3845584392.

It is an arithmetic number, because the mean of its divisors is an integer number (449933318172).

Almost surely, 2^{3668687055387} is an apocalyptic number.

3668687055387 is a deficient number, since it is larger than the sum of its proper divisors (1730512762677).

3668687055387 is a wasteful number, since it uses less digits than its factorization.

3668687055387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7691167890 (or 7691167887 counting only the distinct ones).

The product of its (nonzero) digits is 1219276800, while the sum is 72.

The spelling of 3668687055387 in words is "three trillion, six hundred sixty-eight billion, six hundred eighty-seven million, fifty-five thousand, three hundred eighty-seven".