8085221563 has 8 divisors (see below), whose sum is σ = 8520437520. Its totient is φ = 7650973440.

The previous prime is 8085221519. The next prime is 8085221597. The reversal of 8085221563 is 3651225808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8085221563 - 2⁹ = 8085221051 is a prime.

It is a super-3 number, since 3×8085221563³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (8085221513) 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 in 7 ways as a sum of consecutive naturals, for example, 224770 + ... + 258247.

It is an arithmetic number, because the mean of its divisors is an integer number (1065054690).

Almost surely, 2^8085221563 is an apocalyptic number.

8085221563 is a deficient number, since it is larger than the sum of its proper divisors (435215957).

8085221563 is a wasteful number, since it uses less digits than its factorization.

8085221563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483917.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 8085221563 is about 89917.8600890835. The cubic root of 8085221563 is about 2007.0767273481.

The spelling of 8085221563 in words is "eight billion, eighty-five million, two hundred twenty-one thousand, five hundred sixty-three".