8081444067 has 16 divisors (see below), whose sum is σ = 10838050560. Its totient is φ = 5356318752.

The previous prime is 8081444057. The next prime is 8081444069. The reversal of 8081444067 is 7604441808.

It is a happy number.

It is not a de Polignac number, because 8081444067 - 2⁴ = 8081444051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8081444069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382728 + ... + 403290.

It is an arithmetic number, because the mean of its divisors is an integer number (677378160).

Almost surely, 2^8081444067 is an apocalyptic number.

8081444067 is a deficient number, since it is larger than the sum of its proper divisors (2756606493).

8081444067 is a wasteful number, since it uses less digits than its factorization.

8081444067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21322.

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 8081444067 is about 89896.8523753752. The cubic root of 8081444067 is about 2006.7641032471.

The spelling of 8081444067 in words is "eight billion, eighty-one million, four hundred forty-four thousand, sixty-seven".