476807761 has 2 divisors, whose sum is σ = 476807762. Its totient is φ = 476807760.

The previous prime is 476807753. The next prime is 476807777. The reversal of 476807761 is 167708674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 408646225 + 68161536 = 20215^2 + 8256^2 .

It is a cyclic number.

It is not a de Polignac number, because 476807761 - 2³ = 476807753 is a prime.

It is not a weakly prime, because it can be changed into another prime (476807561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238403880 + 238403881.

It is an arithmetic number, because the mean of its divisors is an integer number (238403881).

Almost surely, 2^476807761 is an apocalyptic number.

It is an amenable number.

476807761 is a deficient number, since it is larger than the sum of its proper divisors (1).

476807761 is an equidigital number, since it uses as much as digits as its factorization.

476807761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 476807761 is about 21835.9282147565. The cubic root of 476807761 is about 781.2339448775.

The spelling of 476807761 in words is "four hundred seventy-six million, eight hundred seven thousand, seven hundred sixty-one".