8516716782 has 64 divisors (see below), whose sum is σ = 20343757824. Its totient is φ = 2324044800.

The previous prime is 8516716771. The next prime is 8516716799. The reversal of 8516716782 is 2876176158.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 670878 + ... + 683454.

It is an arithmetic number, because the mean of its divisors is an integer number (317871216).

Almost surely, 2^8516716782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8516716782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10171878912).

8516716782 is an abundant number, since it is smaller than the sum of its proper divisors (11827041042).

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

8516716782 is a wasteful number, since it uses less digits than its factorization.

8516716782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13313.

The product of its digits is 1128960, while the sum is 51.

The square root of 8516716782 is about 92286.0595214684. The cubic root of 8516716782 is about 2042.1645599210.

The spelling of 8516716782 in words is "eight billion, five hundred sixteen million, seven hundred sixteen thousand, seven hundred eighty-two".