478849718 has 8 divisors (see below), whose sum is σ = 723442440. Its totient is φ = 237702240.

The previous prime is 478849699. The next prime is 478849729. The reversal of 478849718 is 817948874.

It is a happy number.

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, 860963 + ... + 861518.

It is an arithmetic number, because the mean of its divisors is an integer number (90430305).

Almost surely, 2^478849718 is an apocalyptic number.

478849718 is a deficient number, since it is larger than the sum of its proper divisors (244592722).

478849718 is a wasteful number, since it uses less digits than its factorization.

478849718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722622.

The product of its digits is 3612672, while the sum is 56.

The square root of 478849718 is about 21882.6350789844. The cubic root of 478849718 is about 782.3475832663.

The spelling of 478849718 in words is "four hundred seventy-eight million, eight hundred forty-nine thousand, seven hundred eighteen".