8007044081 has 4 divisors (see below), whose sum is σ = 8478046692. Its totient is φ = 7536041472.

The previous prime is 8007044069. The next prime is 8007044137. The reversal of 8007044081 is 1804407008.

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 3217158400 + 4789885681 = 56720^2 + 69209^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8007044081 is a prime.

It is a super-2 number, since 2×8007044081² (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 (8007044051) 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 3 ways as a sum of consecutive naturals, for example, 235501280 + ... + 235501313.

It is an arithmetic number, because the mean of its divisors is an integer number (2119511673).

Almost surely, 2^8007044081 is an apocalyptic number.

It is an amenable number.

8007044081 is a deficient number, since it is larger than the sum of its proper divisors (471002611).

8007044081 is a wasteful number, since it uses less digits than its factorization.

8007044081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471002610.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 8007044081 is about 89482.0880455971. The cubic root of 8007044081 is about 2000.5868345458.

The spelling of 8007044081 in words is "eight billion, seven million, forty-four thousand, eighty-one".