3871812455703 has 12 divisors (see below), whose sum is σ = 5594679441520. Its totient is φ = 2580256865376.

The previous prime is 3871812455681. The next prime is 3871812455711. The reversal of 3871812455703 is 3075542181783.

3871812455703 is a `hidden beast` number, since 3 + 8 + 7 + 1 + 81 + 2 + 4 + 557 + 0 + 3 = 666.

It is not a de Polignac number, because 3871812455703 - 2¹⁶ = 3871812390167 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 3871812455703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3871812455713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79260763 + ... + 79309596.

Almost surely, 2^{3871812455703} is an apocalyptic number.

3871812455703 is a deficient number, since it is larger than the sum of its proper divisors (1722866985817).

3871812455703 is a wasteful number, since it uses less digits than its factorization.

3871812455703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158573078 (or 158573075 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

The spelling of 3871812455703 in words is "three trillion, eight hundred seventy-one billion, eight hundred twelve million, four hundred fifty-five thousand, seven hundred three".