478657065 has 16 divisors (see below), whose sum is σ = 767606400. Its totient is φ = 254698752.

The previous prime is 478657061. The next prime is 478657097. The reversal of 478657065 is 560756874.

It is not a de Polignac number, because 478657065 - 2² = 478657061 is a prime.

It is a super-2 number, since 2×478657065² = 458225171748828450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (478657061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29760 + ... + 42929.

It is an arithmetic number, because the mean of its divisors is an integer number (47975400).

Almost surely, 2^478657065 is an apocalyptic number.

It is an amenable number.

478657065 is a deficient number, since it is larger than the sum of its proper divisors (288949335).

478657065 is a wasteful number, since it uses less digits than its factorization.

478657065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73136.

The product of its (nonzero) digits is 1411200, while the sum is 48.

The square root of 478657065 is about 21878.2326754242. The cubic root of 478657065 is about 782.2426499781.

The spelling of 478657065 in words is "four hundred seventy-eight million, six hundred fifty-seven thousand, sixty-five".