8716797520 has 40 divisors (see below), whose sum is σ = 20598804360. Its totient is φ = 3429557760.

The previous prime is 8716797493. The next prime is 8716797521. The reversal of 8716797520 is 257976178.

It can be written as a sum of positive squares in 4 ways, for example, as 22353984 + 8694443536 = 4728^2 + 93244^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8716797521) 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, 888235 + ... + 897994.

It is an arithmetic number, because the mean of its divisors is an integer number (514970109).

Almost surely, 2^8716797520 is an apocalyptic number.

8716797520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8716797520 is an abundant number, since it is smaller than the sum of its proper divisors (11882006840).

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

8716797520 is a wasteful number, since it uses less digits than its factorization.

8716797520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786303 (or 1786297 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 52.

The square root of 8716797520 is about 93363.7912683499. The cubic root of 8716797520 is about 2058.0329291890.

The spelling of 8716797520 in words is "eight billion, seven hundred sixteen million, seven hundred ninety-seven thousand, five hundred twenty".