3871478866333 has 32 divisors (see below), whose sum is σ = 4449197491200. Its totient is φ = 3343085913600.

The previous prime is 3871478866291. The next prime is 3871478866349. The reversal of 3871478866333 is 3336688741783.

It is a cyclic number.

It is not a de Polignac number, because 3871478866333 - 2⁴¹ = 1672455610781 is a prime.

It is a super-2 number, since 2×3871478866333² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3871478866393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 726198 + ... + 2875816.

It is an arithmetic number, because the mean of its divisors is an integer number (139037421600).

Almost surely, 2^{3871478866333} is an apocalyptic number.

It is an amenable number.

3871478866333 is a deficient number, since it is larger than the sum of its proper divisors (577718624867).

3871478866333 is a wasteful number, since it uses less digits than its factorization.

3871478866333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149813.

The product of its digits is 292626432, while the sum is 67.

The spelling of 3871478866333 in words is "three trillion, eight hundred seventy-one billion, four hundred seventy-eight million, eight hundred sixty-six thousand, three hundred thirty-three".