478424854 has 4 divisors (see below), whose sum is σ = 717637284. Its totient is φ = 239212426.

The previous prime is 478424851. The next prime is 478424893. The reversal of 478424854 is 458424874.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478424851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119606212 + ... + 119606215.

It is an arithmetic number, because the mean of its divisors is an integer number (179409321).

Almost surely, 2^478424854 is an apocalyptic number.

478424854 is a deficient number, since it is larger than the sum of its proper divisors (239212430).

478424854 is a wasteful number, since it uses less digits than its factorization.

478424854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239212429.

The product of its digits is 1146880, while the sum is 46.

The square root of 478424854 is about 21872.9251358843. The cubic root of 478424854 is about 782.1161330044.

The spelling of 478424854 in words is "four hundred seventy-eight million, four hundred twenty-four thousand, eight hundred fifty-four".