285225621167 has 2 divisors, whose sum is σ = 285225621168. Its totient is φ = 285225621166.

The previous prime is 285225621101. The next prime is 285225621209. The reversal of 285225621167 is 761126522582.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-285225621167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285225621467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142612810583 + 142612810584.

It is an arithmetic number, because the mean of its divisors is an integer number (142612810584).

Almost surely, 2^285225621167 is an apocalyptic number.

285225621167 is a deficient number, since it is larger than the sum of its proper divisors (1).

285225621167 is an equidigital number, since it uses as much as digits as its factorization.

285225621167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 47.

The spelling of 285225621167 in words is "two hundred eighty-five billion, two hundred twenty-five million, six hundred twenty-one thousand, one hundred sixty-seven".