478359278 has 4 divisors (see below), whose sum is σ = 717538920. Its totient is φ = 239179638.

The previous prime is 478359269. The next prime is 478359319. The reversal of 478359278 is 872953874.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119589818 + ... + 119589821.

It is an arithmetic number, because the mean of its divisors is an integer number (179384730).

Almost surely, 2^478359278 is an apocalyptic number.

478359278 is a deficient number, since it is larger than the sum of its proper divisors (239179642).

478359278 is a wasteful number, since it uses less digits than its factorization.

478359278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239179641.

The product of its digits is 3386880, while the sum is 53.

The square root of 478359278 is about 21871.4260623307. The cubic root of 478359278 is about 782.0803974091.

The spelling of 478359278 in words is "four hundred seventy-eight million, three hundred fifty-nine thousand, two hundred seventy-eight".