455543791877 has 2 divisors, whose sum is σ = 455543791878. Its totient is φ = 455543791876.

The previous prime is 455543791811. The next prime is 455543791889. The reversal of 455543791877 is 778197345554.

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., 300661402276 + 154882389601 = 548326^2 + 393551^2 .

It is a cyclic number.

It is not a de Polignac number, because 455543791877 - 2¹² = 455543787781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455543761877) 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, 227771895938 + 227771895939.

It is an arithmetic number, because the mean of its divisors is an integer number (227771895939).

Almost surely, 2^455543791877 is an apocalyptic number.

It is an amenable number.

455543791877 is a deficient number, since it is larger than the sum of its proper divisors (1).

455543791877 is an equidigital number, since it uses as much as digits as its factorization.

455543791877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 148176000, while the sum is 65.

The spelling of 455543791877 in words is "four hundred fifty-five billion, five hundred forty-three million, seven hundred ninety-one thousand, eight hundred seventy-seven".