477928393 has 2 divisors, whose sum is σ = 477928394. Its totient is φ = 477928392.

The previous prime is 477928391. The next prime is 477928403. The reversal of 477928393 is 393829774.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420578064 + 57350329 = 20508^2 + 7573^2 .

It is a cyclic number.

It is not a de Polignac number, because 477928393 - 2¹ = 477928391 is a prime.

Together with 477928391, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 477928393.

It is not a weakly prime, because it can be changed into another prime (477928391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238964196 + 238964197.

It is an arithmetic number, because the mean of its divisors is an integer number (238964197).

Almost surely, 2^477928393 is an apocalyptic number.

It is an amenable number.

477928393 is a deficient number, since it is larger than the sum of its proper divisors (1).

477928393 is an equidigital number, since it uses as much as digits as its factorization.

477928393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 52.

The square root of 477928393 is about 21861.5734337673. The cubic root of 477928393 is about 781.8455056592.

The spelling of 477928393 in words is "four hundred seventy-seven million, nine hundred twenty-eight thousand, three hundred ninety-three".