8520448717 has 8 divisors (see below), whose sum is σ = 9350695872. Its totient is φ = 7699478400.

The previous prime is 8520448691. The next prime is 8520448723. The reversal of 8520448717 is 7178440258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8520448717 - 2⁷ = 8520448589 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 (8520448757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2317284 + ... + 2320957.

It is an arithmetic number, because the mean of its divisors is an integer number (1168836984).

Almost surely, 2^8520448717 is an apocalyptic number.

It is an amenable number.

8520448717 is a deficient number, since it is larger than the sum of its proper divisors (830247155).

8520448717 is a wasteful number, since it uses less digits than its factorization.

8520448717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4638419.

The product of its (nonzero) digits is 501760, while the sum is 46.

The square root of 8520448717 is about 92306.2766934080. The cubic root of 8520448717 is about 2042.4628013163.

The spelling of 8520448717 in words is "eight billion, five hundred twenty million, four hundred forty-eight thousand, seven hundred seventeen".