3871081708723 has 2 divisors, whose sum is σ = 3871081708724. Its totient is φ = 3871081708722.

The previous prime is 3871081708709. The next prime is 3871081708751. The reversal of 3871081708723 is 3278071801783.

It is a weak prime.

It is an emirp because it is prime and its reverse (3278071801783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3871081708723 - 2²⁵ = 3871048154291 is a prime.

It is not a weakly prime, because it can be changed into another prime (3871081798723) 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 as a sum of consecutive naturals, namely, 1935540854361 + 1935540854362.

It is an arithmetic number, because the mean of its divisors is an integer number (1935540854362).

Almost surely, 2^{3871081708723} is an apocalyptic number.

3871081708723 is a deficient number, since it is larger than the sum of its proper divisors (1).

3871081708723 is an equidigital number, since it uses as much as digits as its factorization.

3871081708723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3161088, while the sum is 55.

The spelling of 3871081708723 in words is "three trillion, eight hundred seventy-one billion, eighty-one million, seven hundred eight thousand, seven hundred twenty-three".