8538461717 has 4 divisors (see below), whose sum is σ = 8655427020. Its totient is φ = 8421496416.

The previous prime is 8538461713. The next prime is 8538461747. The reversal of 8538461717 is 7171648358.

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 3662791441 + 4875670276 = 60521^2 + 69826^2 .

It is a cyclic number.

It is not a de Polignac number, because 8538461717 - 2² = 8538461713 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 (8538461713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58482542 + ... + 58482687.

It is an arithmetic number, because the mean of its divisors is an integer number (2163856755).

Almost surely, 2^8538461717 is an apocalyptic number.

It is an amenable number.

8538461717 is a deficient number, since it is larger than the sum of its proper divisors (116965303).

8538461717 is a wasteful number, since it uses less digits than its factorization.

8538461717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116965302.

The product of its digits is 1128960, while the sum is 50.

The square root of 8538461717 is about 92403.7970918944. The cubic root of 8538461717 is about 2043.9011053168.

The spelling of 8538461717 in words is "eight billion, five hundred thirty-eight million, four hundred sixty-one thousand, seven hundred seventeen".