478897265 has 16 divisors (see below), whose sum is σ = 716480640. Its totient is φ = 298533120.

The previous prime is 478897247. The next prime is 478897291. The reversal of 478897265 is 562798874.

It is not a de Polignac number, because 478897265 - 2¹⁴ = 478880881 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 478897265.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621560 + ... + 622329.

It is an arithmetic number, because the mean of its divisors is an integer number (44780040).

Almost surely, 2^478897265 is an apocalyptic number.

It is an amenable number.

478897265 is a deficient number, since it is larger than the sum of its proper divisors (237583375).

478897265 is a wasteful number, since it uses less digits than its factorization.

478897265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243912.

The product of its digits is 6773760, while the sum is 56.

The square root of 478897265 is about 21883.7214613968. The cubic root of 478897265 is about 782.3734766020.

The spelling of 478897265 in words is "four hundred seventy-eight million, eight hundred ninety-seven thousand, two hundred sixty-five".