478352865 has 16 divisors (see below), whose sum is σ = 776789568. Its totient is φ = 251313216.

The previous prime is 478352813. The next prime is 478352929. The reversal of 478352865 is 568253874.

It is not a de Polignac number, because 478352865 - 2⁷ = 478352737 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 236982 + ... + 238991.

It is an arithmetic number, because the mean of its divisors is an integer number (48549348).

Almost surely, 2^478352865 is an apocalyptic number.

It is an amenable number.

478352865 is a deficient number, since it is larger than the sum of its proper divisors (298436703).

478352865 is a wasteful number, since it uses less digits than its factorization.

478352865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476048.

The product of its digits is 1612800, while the sum is 48.

The square root of 478352865 is about 21871.2794550296. The cubic root of 478352865 is about 782.0769024739.

The spelling of 478352865 in words is "four hundred seventy-eight million, three hundred fifty-two thousand, eight hundred sixty-five".