85255222255207 has 2 divisors, whose sum is σ = 85255222255208. Its totient is φ = 85255222255206.

The previous prime is 85255222255193. The next prime is 85255222255267. The reversal of 85255222255207 is 70255222255258.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85255222255207 - 2¹⁵ = 85255222222439 is a prime.

It is a super-2 number, since 2×85255222255207² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85255222255267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42627611127603 + 42627611127604.

It is an arithmetic number, because the mean of its divisors is an integer number (42627611127604).

Almost surely, 2^{85255222255207} is an apocalyptic number.

85255222255207 is a deficient number, since it is larger than the sum of its proper divisors (1).

85255222255207 is an equidigital number, since it uses as much as digits as its factorization.

85255222255207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200000, while the sum is 52.

The spelling of 85255222255207 in words is "eighty-five trillion, two hundred fifty-five billion, two hundred twenty-two million, two hundred fifty-five thousand, two hundred seven".