3871457484157 has 2 divisors, whose sum is σ = 3871457484158. Its totient is φ = 3871457484156.

The previous prime is 3871457484137. The next prime is 3871457484217. The reversal of 3871457484157 is 7514847541783.

3871457484157 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3715510684356 + 155946799801 = 1927566^2 + 394901^2 .

It is a cyclic number.

It is not a de Polignac number, because 3871457484157 - 2³¹ = 3869310000509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3871457484107) 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, 1935728742078 + 1935728742079.

It is an arithmetic number, because the mean of its divisors is an integer number (1935728742079).

Almost surely, 2^{3871457484157} is an apocalyptic number.

It is an amenable number.

3871457484157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3871457484157 is an equidigital number, since it uses as much as digits as its factorization.

3871457484157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105369600, while the sum is 64.

The spelling of 3871457484157 in words is "three trillion, eight hundred seventy-one billion, four hundred fifty-seven million, four hundred eighty-four thousand, one hundred fifty-seven".