478336741 has 2 divisors, whose sum is σ = 478336742. Its totient is φ = 478336740.

The previous prime is 478336739. The next prime is 478336787. The reversal of 478336741 is 147633874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 474150625 + 4186116 = 21775^2 + 2046^2 .

It is a cyclic number.

It is not a de Polignac number, because 478336741 - 2¹ = 478336739 is a prime.

Together with 478336739, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478336141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239168370 + 239168371.

It is an arithmetic number, because the mean of its divisors is an integer number (239168371).

Almost surely, 2^478336741 is an apocalyptic number.

It is an amenable number.

478336741 is a deficient number, since it is larger than the sum of its proper divisors (1).

478336741 is an equidigital number, since it uses as much as digits as its factorization.

478336741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 43.

The square root of 478336741 is about 21870.9108406577. The cubic root of 478336741 is about 782.0681151326.

The spelling of 478336741 in words is "four hundred seventy-eight million, three hundred thirty-six thousand, seven hundred forty-one".