3804487281871 has 2 divisors, whose sum is σ = 3804487281872. Its totient is φ = 3804487281870.

The previous prime is 3804487281869. The next prime is 3804487281877. The reversal of 3804487281871 is 1781827844083.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3804487281871 - 2¹ = 3804487281869 is a prime.

Together with 3804487281869, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3804487281877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1902243640935 + 1902243640936.

It is an arithmetic number, because the mean of its divisors is an integer number (1902243640936).

Almost surely, 2^{3804487281871} is an apocalyptic number.

3804487281871 is a deficient number, since it is larger than the sum of its proper divisors (1).

3804487281871 is an equidigital number, since it uses as much as digits as its factorization.

3804487281871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19267584, while the sum is 61.

The spelling of 3804487281871 in words is "three trillion, eight hundred four billion, four hundred eighty-seven million, two hundred eighty-one thousand, eight hundred seventy-one".