478643495 has 16 divisors (see below), whose sum is σ = 627128352. Its totient is φ = 347804160.

The previous prime is 478643491. The next prime is 478643509. The reversal of 478643495 is 594346874.

It is not a de Polignac number, because 478643495 - 2² = 478643491 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 (478643491) 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, 75779 + ... + 81851.

It is an arithmetic number, because the mean of its divisors is an integer number (39195522).

Almost surely, 2^478643495 is an apocalyptic number.

478643495 is a deficient number, since it is larger than the sum of its proper divisors (148484857).

478643495 is a wasteful number, since it uses less digits than its factorization.

478643495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7522.

The product of its digits is 2903040, while the sum is 50.

The square root of 478643495 is about 21877.9225476278. The cubic root of 478643495 is about 782.2352576758.

The spelling of 478643495 in words is "four hundred seventy-eight million, six hundred forty-three thousand, four hundred ninety-five".