3871174771117 has 2 divisors, whose sum is σ = 3871174771118. Its totient is φ = 3871174771116.

The previous prime is 3871174771111. The next prime is 3871174771159. The reversal of 3871174771117 is 7111774711783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2130954728841 + 1740220042276 = 1459779^2 + 1319174^2 .

It is a cyclic number.

It is not a de Polignac number, because 3871174771117 - 2²³ = 3871166382509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3871174771111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935587385558 + 1935587385559.

It is an arithmetic number, because the mean of its divisors is an integer number (1935587385559).

Almost surely, 2^{3871174771117} is an apocalyptic number.

It is an amenable number.

3871174771117 is a deficient number, since it is larger than the sum of its proper divisors (1).

3871174771117 is an equidigital number, since it uses as much as digits as its factorization.

3871174771117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1613472, while the sum is 55.

The spelling of 3871174771117 in words is "three trillion, eight hundred seventy-one billion, one hundred seventy-four million, seven hundred seventy-one thousand, one hundred seventeen".