8489047515 has 32 divisors (see below), whose sum is σ = 14708156736. Its totient is φ = 4156116480.

The previous prime is 8489047513. The next prime is 8489047517. The reversal of 8489047515 is 5157409848.

It is an interprime number because it is at equal distance from previous prime (8489047513) and next prime (8489047517).

It is not a de Polignac number, because 8489047515 - 2¹ = 8489047513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8489047513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84964 + ... + 155553.

It is an arithmetic number, because the mean of its divisors is an integer number (459629898).

Almost surely, 2^8489047515 is an apocalyptic number.

8489047515 is a deficient number, since it is larger than the sum of its proper divisors (6219109221).

8489047515 is a wasteful number, since it uses less digits than its factorization.

8489047515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240719.

The product of its (nonzero) digits is 1612800, while the sum is 51.

The square root of 8489047515 is about 92136.0272369066. The cubic root of 8489047515 is about 2039.9506199600.

The spelling of 8489047515 in words is "eight billion, four hundred eighty-nine million, forty-seven thousand, five hundred fifteen".