478660205 has 8 divisors (see below), whose sum is σ = 575143800. Its totient is φ = 382427136.

The previous prime is 478660201. The next prime is 478660207. The reversal of 478660205 is 502066874.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 407044 + 478253161 = 638^2 + 21869^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 478660205 - 2² = 478660201 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478660201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58400 + ... + 66089.

It is an arithmetic number, because the mean of its divisors is an integer number (71892975).

Almost surely, 2^478660205 is an apocalyptic number.

It is an amenable number.

478660205 is a deficient number, since it is larger than the sum of its proper divisors (96483595).

478660205 is a wasteful number, since it uses less digits than its factorization.

478660205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125263.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 478660205 is about 21878.3044361303. The cubic root of 478660205 is about 782.2443604835.

The spelling of 478660205 in words is "four hundred seventy-eight million, six hundred sixty thousand, two hundred five".