85755484220453 has 2 divisors, whose sum is σ = 85755484220454. Its totient is φ = 85755484220452.

The previous prime is 85755484220447. The next prime is 85755484220509. The reversal of 85755484220453 is 35402248455758.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61427378103844 + 24328106116609 = 7837562^2 + 4932353^2 .

It is a cyclic number.

It is not a de Polignac number, because 85755484220453 - 2¹⁰ = 85755484219429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85755484220443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42877742110226 + 42877742110227.

It is an arithmetic number, because the mean of its divisors is an integer number (42877742110227).

Almost surely, 2^{85755484220453} is an apocalyptic number.

It is an amenable number.

85755484220453 is a deficient number, since it is larger than the sum of its proper divisors (1).

85755484220453 is an equidigital number, since it uses as much as digits as its factorization.

85755484220453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040000, while the sum is 62.

The spelling of 85755484220453 in words is "eighty-five trillion, seven hundred fifty-five billion, four hundred eighty-four million, two hundred twenty thousand, four hundred fifty-three".