2004078871 has 2 divisors, whose sum is σ = 2004078872. Its totient is φ = 2004078870.

The previous prime is 2004078859. The next prime is 2004078961. The reversal of 2004078871 is 1788704002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2004078871 - 2⁷ = 2004078743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2004078871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2004078821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002039435 + 1002039436.

It is an arithmetic number, because the mean of its divisors is an integer number (1002039436).

Almost surely, 2^2004078871 is an apocalyptic number.

2004078871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2004078871 is an equidigital number, since it uses as much as digits as its factorization.

2004078871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 2004078871 is about 44766.9394866346. The cubic root of 2004078871 is about 1260.7769775274.

The spelling of 2004078871 in words is "two billion, four million, seventy-eight thousand, eight hundred seventy-one".