478416407 has 8 divisors (see below), whose sum is σ = 548192256. Its totient is φ = 408998232.

The previous prime is 478416403. The next prime is 478416437. The reversal of 478416407 is 704614874.

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

It is a cyclic number.

It is not a de Polignac number, because 478416407 - 2² = 478416403 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 (478416403) 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, 86543 + ... + 91904.

It is an arithmetic number, because the mean of its divisors is an integer number (68524032).

Almost surely, 2^478416407 is an apocalyptic number.

478416407 is a deficient number, since it is larger than the sum of its proper divisors (69775849).

478416407 is a wasteful number, since it uses less digits than its factorization.

478416407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178837.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 478416407 is about 21872.7320424313. The cubic root of 478416407 is about 782.1115300009. Note that the first 3 decimals are identical.

The spelling of 478416407 in words is "four hundred seventy-eight million, four hundred sixteen thousand, four hundred seven".