478339678 has 8 divisors (see below), whose sum is σ = 718670520. Its totient is φ = 238782840.

The previous prime is 478339583. The next prime is 478339691. The reversal of 478339678 is 876933874.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191953 + ... + 194428.

It is an arithmetic number, because the mean of its divisors is an integer number (89833815).

Almost surely, 2^478339678 is an apocalyptic number.

478339678 is a deficient number, since it is larger than the sum of its proper divisors (240330842).

478339678 is a wasteful number, since it uses less digits than its factorization.

478339678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387002.

The product of its digits is 6096384, while the sum is 55.

The square root of 478339678 is about 21870.9779845347. The cubic root of 478339678 is about 782.0697157688.

The spelling of 478339678 in words is "four hundred seventy-eight million, three hundred thirty-nine thousand, six hundred seventy-eight".