804611878 has 16 divisors (see below), whose sum is σ = 1382088960. Its totient is φ = 344145096.

The previous prime is 804611837. The next prime is 804611891. The reversal of 804611878 is 878116408.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 50088 + ... + 64171.

It is an arithmetic number, because the mean of its divisors is an integer number (86380560).

Almost surely, 2^804611878 is an apocalyptic number.

804611878 is a deficient number, since it is larger than the sum of its proper divisors (577477082).

804611878 is a wasteful number, since it uses less digits than its factorization.

804611878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114771.

The product of its (nonzero) digits is 86016, while the sum is 43.

The square root of 804611878 is about 28365.6813420725. The cubic root of 804611878 is about 930.0982198649.

The spelling of 804611878 in words is "eight hundred four million, six hundred eleven thousand, eight hundred seventy-eight".