478820841 has 8 divisors (see below), whose sum is σ = 641736480. Its totient is φ = 317559552.

The previous prime is 478820791. The next prime is 478820873. The reversal of 478820841 is 148028874.

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

It is not a de Polignac number, because 478820841 - 2⁶ = 478820777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478820793 and 478820802.

It is not an unprimeable number, because it can be changed into a prime (478821841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412911 + ... + 414068.

It is an arithmetic number, because the mean of its divisors is an integer number (80217060).

Almost surely, 2^478820841 is an apocalyptic number.

It is an amenable number.

478820841 is a deficient number, since it is larger than the sum of its proper divisors (162915639).

478820841 is a wasteful number, since it uses less digits than its factorization.

478820841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827175.

The product of its (nonzero) digits is 114688, while the sum is 42.

The square root of 478820841 is about 21881.9752536191. The cubic root of 478820841 is about 782.3318564774.

The spelling of 478820841 in words is "four hundred seventy-eight million, eight hundred twenty thousand, eight hundred forty-one".