2004862878 has 24 divisors (see below), whose sum is σ = 4359909216. Its totient is φ = 665820000.

The previous prime is 2004862877. The next prime is 2004862901. The reversal of 2004862878 is 8782684002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004862877) 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 in 11 ways as a sum of consecutive naturals, for example, 200623 + ... + 210378.

It is an arithmetic number, because the mean of its divisors is an integer number (181662884).

Almost surely, 2^2004862878 is an apocalyptic number.

2004862878 is an abundant number, since it is smaller than the sum of its proper divisors (2355046338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2004862878 is a wasteful number, since it uses less digits than its factorization.

2004862878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411280 (or 411277 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 2004862878 is about 44775.6951704828. The cubic root of 2004862878 is about 1260.9413637900.

The spelling of 2004862878 in words is "two billion, four million, eight hundred sixty-two thousand, eight hundred seventy-eight".