478859233 has 2 divisors, whose sum is σ = 478859234. Its totient is φ = 478859232.

The previous prime is 478859231. The next prime is 478859237. The reversal of 478859233 is 332958874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 334450944 + 144408289 = 18288^2 + 12017^2 .

It is a cyclic number.

It is not a de Polignac number, because 478859233 - 2¹ = 478859231 is a prime.

Together with 478859231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (478859231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239429616 + 239429617.

It is an arithmetic number, because the mean of its divisors is an integer number (239429617).

Almost surely, 2^478859233 is an apocalyptic number.

It is an amenable number.

478859233 is a deficient number, since it is larger than the sum of its proper divisors (1).

478859233 is an equidigital number, since it uses as much as digits as its factorization.

478859233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 49.

The square root of 478859233 is about 21882.8524877357. The cubic root of 478859233 is about 782.3527651203.

The spelling of 478859233 in words is "four hundred seventy-eight million, eight hundred fifty-nine thousand, two hundred thirty-three".