8725547680 has 96 divisors (see below), whose sum is σ = 21312281088. Its totient is φ = 3372364800.

The previous prime is 8725547641. The next prime is 8725547689. The reversal of 8725547680 is 867455278.

It is a super-2 number, since 2×8725547680² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8725547689) 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, 5063299 + ... + 5065021.

It is an arithmetic number, because the mean of its divisors is an integer number (222002928).

Almost surely, 2^8725547680 is an apocalyptic number.

8725547680 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 8725547680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10656140544).

8725547680 is an abundant number, since it is smaller than the sum of its proper divisors (12586733408).

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

8725547680 is a wasteful number, since it uses less digits than its factorization.

8725547680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790 (or 2782 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 52.

The square root of 8725547680 is about 93410.6400791687. The cubic root of 8725547680 is about 2058.7213354931.

The spelling of 8725547680 in words is "eight billion, seven hundred twenty-five million, five hundred forty-seven thousand, six hundred eighty".