478887378 has 8 divisors (see below), whose sum is σ = 957774768. Its totient is φ = 159629124.

The previous prime is 478887361. The next prime is 478887379. The reversal of 478887378 is 873788874.

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

478887378 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (478887379) 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, 39907276 + ... + 39907287.

It is an arithmetic number, because the mean of its divisors is an integer number (119721846).

Almost surely, 2^478887378 is an apocalyptic number.

478887378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478887378 is a wasteful number, since it uses less digits than its factorization.

478887378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79814568.

The product of its digits is 16859136, while the sum is 60.

The square root of 478887378 is about 21883.4955617241. The cubic root of 478887378 is about 782.3680924411.

The spelling of 478887378 in words is "four hundred seventy-eight million, eight hundred eighty-seven thousand, three hundred seventy-eight".