8118003447 has 24 divisors (see below), whose sum is σ = 11775498176. Its totient is φ = 5389203456.

The previous prime is 8118003431. The next prime is 8118003451. The reversal of 8118003447 is 7443008118.

It is not a de Polignac number, because 8118003447 - 2⁴ = 8118003431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8118003427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4023783 + ... + 4025799.

Almost surely, 2^8118003447 is an apocalyptic number.

8118003447 is a deficient number, since it is larger than the sum of its proper divisors (3657494729).

8118003447 is a wasteful number, since it uses less digits than its factorization.

8118003447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687 (or 3684 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 8118003447 is about 90099.9636348428. The cubic root of 8118003447 is about 2009.7856628952.

The spelling of 8118003447 in words is "eight billion, one hundred eighteen million, three thousand, four hundred forty-seven".