478335538 has 8 divisors (see below), whose sum is σ = 729664560. Its totient is φ = 235114020.

The previous prime is 478335509. The next prime is 478335551. The reversal of 478335538 is 835533874.

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

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, 2026728 + ... + 2026963.

It is an arithmetic number, because the mean of its divisors is an integer number (91208070).

Almost surely, 2^478335538 is an apocalyptic number.

478335538 is a deficient number, since it is larger than the sum of its proper divisors (251329022).

478335538 is a wasteful number, since it uses less digits than its factorization.

478335538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053752.

The product of its digits is 1209600, while the sum is 46.

The square root of 478335538 is about 21870.8833383565. The cubic root of 478335538 is about 782.0674595075.

The spelling of 478335538 in words is "four hundred seventy-eight million, three hundred thirty-five thousand, five hundred thirty-eight".