8718732080 has 80 divisors (see below), whose sum is σ = 20819872800. Its totient is φ = 3394252800.

The previous prime is 8718732079. The next prime is 8718732089. The reversal of 8718732080 is 802378178.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×8718732080² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8718732089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467576 + ... + 485864.

It is an arithmetic number, because the mean of its divisors is an integer number (260248410).

Almost surely, 2^8718732080 is an apocalyptic number.

8718732080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8718732080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10409936400).

8718732080 is an abundant number, since it is smaller than the sum of its proper divisors (12101140720).

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

8718732080 is a wasteful number, since it uses less digits than its factorization.

8718732080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18462 (or 18456 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 44.

The square root of 8718732080 is about 93374.1510269304. The cubic root of 8718732080 is about 2058.1851675799.

The spelling of 8718732080 in words is "eight billion, seven hundred eighteen million, seven hundred thirty-two thousand, eighty".