8725918516 has 48 divisors (see below), whose sum is σ = 18082673280. Its totient is φ = 3606894720.

The previous prime is 8725918483. The next prime is 8725918541. The reversal of 8725918516 is 6158195278.

It is a super-2 number, since 2×8725918516² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37726 + ... + 137386.

It is an arithmetic number, because the mean of its divisors is an integer number (376722360).

Almost surely, 2^8725918516 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 8725918516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9041336640).

8725918516 is an abundant number, since it is smaller than the sum of its proper divisors (9356754764).

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

8725918516 is a wasteful number, since it uses less digits than its factorization.

8725918516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99784 (or 99782 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 52.

The square root of 8725918516 is about 93412.6250353773. The cubic root of 8725918516 is about 2058.7505003165.

The spelling of 8725918516 in words is "eight billion, seven hundred twenty-five million, nine hundred eighteen thousand, five hundred sixteen".