804147478 has 8 divisors (see below), whose sum is σ = 1221490080. Its totient is φ = 396984120.

The previous prime is 804147451. The next prime is 804147517. The reversal of 804147478 is 874741408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2544613 + ... + 2544928.

It is an arithmetic number, because the mean of its divisors is an integer number (152686260).

Almost surely, 2^804147478 is an apocalyptic number.

804147478 is a deficient number, since it is larger than the sum of its proper divisors (417342602).

804147478 is a wasteful number, since it uses less digits than its factorization.

804147478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5089622.

The product of its (nonzero) digits is 200704, while the sum is 43.

The square root of 804147478 is about 28357.4942122889. The cubic root of 804147478 is about 929.9192429973.

The spelling of 804147478 in words is "eight hundred four million, one hundred forty-seven thousand, four hundred seventy-eight".