85567225943 has 2 divisors, whose sum is σ = 85567225944. Its totient is φ = 85567225942.

The previous prime is 85567225901. The next prime is 85567225967. The reversal of 85567225943 is 34952276558.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85567225943 - 2⁶ = 85567225879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85567425943) 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, 42783612971 + 42783612972.

It is an arithmetic number, because the mean of its divisors is an integer number (42783612972).

Almost surely, 2^85567225943 is an apocalyptic number.

85567225943 is a deficient number, since it is larger than the sum of its proper divisors (1).

85567225943 is an equidigital number, since it uses as much as digits as its factorization.

85567225943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144000, while the sum is 56.

The spelling of 85567225943 in words is "eighty-five billion, five hundred sixty-seven million, two hundred twenty-five thousand, nine hundred forty-three".