477916129 has 2 divisors, whose sum is σ = 477916130. Its totient is φ = 477916128.

The previous prime is 477916099. The next prime is 477916141. The reversal of 477916129 is 921619774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386043904 + 91872225 = 19648^2 + 9585^2 .

It is a cyclic number.

It is not a de Polignac number, because 477916129 - 2⁵ = 477916097 is a prime.

It is not a weakly prime, because it can be changed into another prime (477916169) 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, 238958064 + 238958065.

It is an arithmetic number, because the mean of its divisors is an integer number (238958065).

Almost surely, 2^477916129 is an apocalyptic number.

It is an amenable number.

477916129 is a deficient number, since it is larger than the sum of its proper divisors (1).

477916129 is an equidigital number, since it uses as much as digits as its factorization.

477916129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 46.

The square root of 477916129 is about 21861.2929398057. The cubic root of 477916129 is about 781.8388180218.

The spelling of 477916129 in words is "four hundred seventy-seven million, nine hundred sixteen thousand, one hundred twenty-nine".