477469789 has 2 divisors, whose sum is σ = 477469790. Its totient is φ = 477469788.

The previous prime is 477469771. The next prime is 477469799. The reversal of 477469789 is 987964774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 455096889 + 22372900 = 21333^2 + 4730^2 .

It is a cyclic number.

It is not a de Polignac number, because 477469789 - 2⁷ = 477469661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477469709) 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, 238734894 + 238734895.

It is an arithmetic number, because the mean of its divisors is an integer number (238734895).

Almost surely, 2^477469789 is an apocalyptic number.

It is an amenable number.

477469789 is a deficient number, since it is larger than the sum of its proper divisors (1).

477469789 is an equidigital number, since it uses as much as digits as its factorization.

477469789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21337344, while the sum is 61.

The square root of 477469789 is about 21851.0821013514. The cubic root of 477469789 is about 781.5953480838.

The spelling of 477469789 in words is "four hundred seventy-seven million, four hundred sixty-nine thousand, seven hundred eighty-nine".