3887391685103 has 2 divisors, whose sum is σ = 3887391685104. Its totient is φ = 3887391685102.

The previous prime is 3887391685097. The next prime is 3887391685141. The reversal of 3887391685103 is 3015861937883.

It is a weak prime.

It is an emirp because it is prime and its reverse (3015861937883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3887391685103 - 2⁶ = 3887391685039 is a prime.

It is a super-2 number, since 2×3887391685103² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3887391685603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1943695842551 + 1943695842552.

It is an arithmetic number, because the mean of its divisors is an integer number (1943695842552).

Almost surely, 2^{3887391685103} is an apocalyptic number.

3887391685103 is a deficient number, since it is larger than the sum of its proper divisors (1).

3887391685103 is an equidigital number, since it uses as much as digits as its factorization.

3887391685103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 3887391685103 in words is "three trillion, eight hundred eighty-seven billion, three hundred ninety-one million, six hundred eighty-five thousand, one hundred three".