478845833 has 2 divisors, whose sum is σ = 478845834. Its totient is φ = 478845832.

The previous prime is 478845779. The next prime is 478845853. The reversal of 478845833 is 338548874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 443228809 + 35617024 = 21053^2 + 5968^2 .

It is a cyclic number.

It is not a de Polignac number, because 478845833 - 2⁶ = 478845769 is a prime.

It is not a weakly prime, because it can be changed into another prime (478845853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239422916 + 239422917.

It is an arithmetic number, because the mean of its divisors is an integer number (239422917).

Almost surely, 2^478845833 is an apocalyptic number.

It is an amenable number.

478845833 is a deficient number, since it is larger than the sum of its proper divisors (1).

478845833 is an equidigital number, since it uses as much as digits as its factorization.

478845833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2580480, while the sum is 50.

The square root of 478845833 is about 21882.5463097876. The cubic root of 478845833 is about 782.3454674817.

The spelling of 478845833 in words is "four hundred seventy-eight million, eight hundred forty-five thousand, eight hundred thirty-three".