8731302516 has 108 divisors (see below), whose sum is σ = 22676743908. Its totient is φ = 2832344064.

The previous prime is 8731302491. The next prime is 8731302523. The reversal of 8731302516 is 6152031378.

8731302516 is a `hidden beast` number, since 8 + 7 + 3 + 130 + 2 + 516 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2137212900 + 6594089616 = 46230^2 + 81204^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15675310 + ... + 15675866.

It is an arithmetic number, because the mean of its divisors is an integer number (209969851).

Almost surely, 2^8731302516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8731302516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11338371954).

8731302516 is an abundant number, since it is smaller than the sum of its proper divisors (13945441392).

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

8731302516 is a wasteful number, since it uses less digits than its factorization.

8731302516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 8731302516 is about 93441.4389658036. The cubic root of 8731302516 is about 2059.1738381284.

The spelling of 8731302516 in words is "eight billion, seven hundred thirty-one million, three hundred two thousand, five hundred sixteen".