478604396378 has 4 divisors (see below), whose sum is σ = 717906594570. Its totient is φ = 239302198188.

The previous prime is 478604396353. The next prime is 478604396393. The reversal of 478604396378 is 873693406874.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 478403238889 + 201157489 = 691667^2 + 14183^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119651099093 + ... + 119651099096.

Almost surely, 2^478604396378 is an apocalyptic number.

478604396378 is a deficient number, since it is larger than the sum of its proper divisors (239302198192).

478604396378 is a wasteful number, since it uses less digits than its factorization.

478604396378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239302198191.

The product of its (nonzero) digits is 146313216, while the sum is 65.

The spelling of 478604396378 in words is "four hundred seventy-eight billion, six hundred four million, three hundred ninety-six thousand, three hundred seventy-eight".