8115334747 has 16 divisors (see below), whose sum is σ = 8794051840. Its totient is φ = 7444524672.

The previous prime is 8115334729. The next prime is 8115334769. The reversal of 8115334747 is 7474335118.

It is a happy number.

It is not a de Polignac number, because 8115334747 - 2²³ = 8106946139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8115374747) 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, 1822678 + ... + 1827124.

It is an arithmetic number, because the mean of its divisors is an integer number (549628240).

Almost surely, 2^8115334747 is an apocalyptic number.

8115334747 is a deficient number, since it is larger than the sum of its proper divisors (678717093).

8115334747 is a wasteful number, since it uses less digits than its factorization.

8115334747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5302.

The product of its digits is 282240, while the sum is 43.

The square root of 8115334747 is about 90085.1527556012. The cubic root of 8115334747 is about 2009.5654074728.

The spelling of 8115334747 in words is "eight billion, one hundred fifteen million, three hundred thirty-four thousand, seven hundred forty-seven".