472777558450789 has 2 divisors, whose sum is σ = 472777558450790. Its totient is φ = 472777558450788.

The previous prime is 472777558450759. The next prime is 472777558450817. The reversal of 472777558450789 is 987054855777274.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 390254414600164 + 82523143850625 = 19754858^2 + 9084225^2 .

It is a cyclic number.

It is not a de Polignac number, because 472777558450789 - 2¹⁵ = 472777558418021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472777558450759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236388779225394 + 236388779225395.

It is an arithmetic number, because the mean of its divisors is an integer number (236388779225395).

Almost surely, 2^{472777558450789} is an apocalyptic number.

It is an amenable number.

472777558450789 is a deficient number, since it is larger than the sum of its proper divisors (1).

472777558450789 is an equidigital number, since it uses as much as digits as its factorization.

472777558450789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38723328000, while the sum is 85.

The spelling of 472777558450789 in words is "four hundred seventy-two trillion, seven hundred seventy-seven billion, five hundred fifty-eight million, four hundred fifty thousand, seven hundred eighty-nine".