478303897 has 8 divisors (see below), whose sum is σ = 480654720. Its totient is φ = 475959600.

The previous prime is 478303879. The next prime is 478303901. The reversal of 478303897 is 798303874.

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

It is a cyclic number.

It is not a de Polignac number, because 478303897 - 2¹⁹ = 477779609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 478303897.

It is not an unprimeable number, because it can be changed into a prime (478303807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202272 + ... + 204622.

It is an arithmetic number, because the mean of its divisors is an integer number (60081840).

Almost surely, 2^478303897 is an apocalyptic number.

It is an amenable number.

478303897 is a deficient number, since it is larger than the sum of its proper divisors (2350823).

478303897 is a wasteful number, since it uses less digits than its factorization.

478303897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 478303897 is about 21870.1599674076. The cubic root of 478303897 is about 782.0502150280.

The spelling of 478303897 in words is "four hundred seventy-eight million, three hundred three thousand, eight hundred ninety-seven".