478432715 has 8 divisors (see below), whose sum is σ = 575367408. Its totient is φ = 381914080.

The previous prime is 478432709. The next prime is 478432733. The reversal of 478432715 is 517234874.

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

It is not a de Polignac number, because 478432715 - 2¹⁰ = 478431691 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101477 + ... + 106086.

It is an arithmetic number, because the mean of its divisors is an integer number (71920926).

Almost surely, 2^478432715 is an apocalyptic number.

478432715 is a deficient number, since it is larger than the sum of its proper divisors (96934693).

478432715 is a wasteful number, since it uses less digits than its factorization.

478432715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208029.

The product of its digits is 188160, while the sum is 41.

The square root of 478432715 is about 21873.1048321906. The cubic root of 478432715 is about 782.1204166317.

The spelling of 478432715 in words is "four hundred seventy-eight million, four hundred thirty-two thousand, seven hundred fifteen".