478869283 has 2 divisors, whose sum is σ = 478869284. Its totient is φ = 478869282.

The previous prime is 478869271. The next prime is 478869329. The reversal of 478869283 is 382968874.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478869283 is a prime.

It is not a weakly prime, because it can be changed into another prime (478869203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239434641 + 239434642.

It is an arithmetic number, because the mean of its divisors is an integer number (239434642).

Almost surely, 2^478869283 is an apocalyptic number.

478869283 is a deficient number, since it is larger than the sum of its proper divisors (1).

478869283 is an equidigital number, since it uses as much as digits as its factorization.

478869283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4644864, while the sum is 55.

The square root of 478869283 is about 21883.0821183854. The cubic root of 478869283 is about 782.3582382599.

The spelling of 478869283 in words is "four hundred seventy-eight million, eight hundred sixty-nine thousand, two hundred eighty-three".