478544683 has 2 divisors, whose sum is σ = 478544684. Its totient is φ = 478544682.

The previous prime is 478544663. The next prime is 478544687. The reversal of 478544683 is 386445874.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478544683 is a prime.

It is not a weakly prime, because it can be changed into another prime (478544687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239272341 + 239272342.

It is an arithmetic number, because the mean of its divisors is an integer number (239272342).

Almost surely, 2^478544683 is an apocalyptic number.

478544683 is a deficient number, since it is larger than the sum of its proper divisors (1).

478544683 is an equidigital number, since it uses as much as digits as its factorization.

478544683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2580480, while the sum is 49.

The square root of 478544683 is about 21875.6641727743. The cubic root of 478544683 is about 782.1814252998.

The spelling of 478544683 in words is "four hundred seventy-eight million, five hundred forty-four thousand, six hundred eighty-three".