8575616081 has 4 divisors (see below), whose sum is σ = 8737420212. Its totient is φ = 8413811952.

The previous prime is 8575616069. The next prime is 8575616107. The reversal of 8575616081 is 1806165758.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2893471681 + 5682144400 = 53791^2 + 75380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8575616081 is a prime.

It is a super-2 number, since 2×8575616081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8575616011) 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 in 3 ways as a sum of consecutive naturals, for example, 80901986 + ... + 80902091.

It is an arithmetic number, because the mean of its divisors is an integer number (2184355053).

Almost surely, 2^8575616081 is an apocalyptic number.

It is an amenable number.

8575616081 is a deficient number, since it is larger than the sum of its proper divisors (161804131).

8575616081 is a wasteful number, since it uses less digits than its factorization.

8575616081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161804130.

The product of its (nonzero) digits is 403200, while the sum is 47.

The square root of 8575616081 is about 92604.6223522347. The cubic root of 8575616081 is about 2046.8614341267.

The spelling of 8575616081 in words is "eight billion, five hundred seventy-five million, six hundred sixteen thousand, eighty-one".