478687165 has 8 divisors (see below), whose sum is σ = 626645088. Its totient is φ = 348136080.

The previous prime is 478687163. The next prime is 478687171. The reversal of 478687165 is 561786874.

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

It is not a de Polignac number, because 478687165 - 2¹ = 478687163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478687163) 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, 4351647 + ... + 4351756.

It is an arithmetic number, because the mean of its divisors is an integer number (78330636).

Almost surely, 2^478687165 is an apocalyptic number.

It is an amenable number.

478687165 is a deficient number, since it is larger than the sum of its proper divisors (147957923).

478687165 is a wasteful number, since it uses less digits than its factorization.

478687165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8703419.

The product of its digits is 2257920, while the sum is 52.

The square root of 478687165 is about 21878.9205629528. The cubic root of 478687165 is about 782.2590465536.

The spelling of 478687165 in words is "four hundred seventy-eight million, six hundred eighty-seven thousand, one hundred sixty-five".