478644358 has 8 divisors (see below), whose sum is σ = 737371152. Its totient is φ = 232853976.

The previous prime is 478644337. The next prime is 478644359. The reversal of 478644358 is 853446874.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478644359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3234010 + ... + 3234157.

It is an arithmetic number, because the mean of its divisors is an integer number (92171394).

Almost surely, 2^478644358 is an apocalyptic number.

478644358 is a deficient number, since it is larger than the sum of its proper divisors (258726794).

478644358 is a wasteful number, since it uses less digits than its factorization.

478644358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6468206.

The product of its digits is 2580480, while the sum is 49.

The square root of 478644358 is about 21877.9422706981. The cubic root of 478644358 is about 782.2357278021.

The spelling of 478644358 in words is "four hundred seventy-eight million, six hundred forty-four thousand, three hundred fifty-eight".