8505410718 has 64 divisors (see below), whose sum is σ = 20300958720. Its totient is φ = 2322769152.

The previous prime is 8505410717. The next prime is 8505410761. The reversal of 8505410718 is 8170145058.

It is a super-2 number, since 2×8505410718² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8505410713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1926898 + ... + 1931306.

It is an arithmetic number, because the mean of its divisors is an integer number (317202480).

Almost surely, 2^8505410718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8505410718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10150479360).

8505410718 is an abundant number, since it is smaller than the sum of its proper divisors (11795548002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8505410718 is a wasteful number, since it uses less digits than its factorization.

8505410718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6441.

The product of its (nonzero) digits is 44800, while the sum is 39.

The square root of 8505410718 is about 92224.7836430100. The cubic root of 8505410718 is about 2041.2604921419.

The spelling of 8505410718 in words is "eight billion, five hundred five million, four hundred ten thousand, seven hundred eighteen".