455367421777 has 2 divisors, whose sum is σ = 455367421778. Its totient is φ = 455367421776.

The previous prime is 455367421753. The next prime is 455367421787. The reversal of 455367421777 is 777124763554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250191036481 + 205176385296 = 500191^2 + 452964^2 .

It is a cyclic number.

It is not a de Polignac number, because 455367421777 - 2¹¹ = 455367419729 is a prime.

It is not a weakly prime, because it can be changed into another prime (455367421787) 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, 227683710888 + 227683710889.

It is an arithmetic number, because the mean of its divisors is an integer number (227683710889).

Almost surely, 2^455367421777 is an apocalyptic number.

It is an amenable number.

455367421777 is a deficient number, since it is larger than the sum of its proper divisors (1).

455367421777 is an equidigital number, since it uses as much as digits as its factorization.

455367421777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34574400, while the sum is 58.

The spelling of 455367421777 in words is "four hundred fifty-five billion, three hundred sixty-seven million, four hundred twenty-one thousand, seven hundred seventy-seven".