504494777 has 2 divisors, whose sum is σ = 504494778. Its totient is φ = 504494776.

The previous prime is 504494773. The next prime is 504494803. The reversal of 504494777 is 777494405.

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., 276756496 + 227738281 = 16636^2 + 15091^2 .

It is a cyclic number.

It is not a de Polignac number, because 504494777 - 2² = 504494773 is a prime.

It is not a weakly prime, because it can be changed into another prime (504494773) 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, 252247388 + 252247389.

It is an arithmetic number, because the mean of its divisors is an integer number (252247389).

Almost surely, 2^504494777 is an apocalyptic number.

It is an amenable number.

504494777 is a deficient number, since it is larger than the sum of its proper divisors (1).

504494777 is an equidigital number, since it uses as much as digits as its factorization.

504494777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 987840, while the sum is 47.

The square root of 504494777 is about 22460.9611771180. The cubic root of 504494777 is about 796.0717725448.

The spelling of 504494777 in words is "five hundred four million, four hundred ninety-four thousand, seven hundred seventy-seven".