8725216250 has 20 divisors (see below), whose sum is σ = 16354547682. Its totient is φ = 3490086000.

The previous prime is 8725216243. The next prime is 8725216307. The reversal of 8725216250 is 526125278.

It can be written as a sum of positive squares in 5 ways, for example, as 2008922041 + 6716294209 = 44821^2 + 81953^2 .

It is a super-2 number, since 2×8725216250² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3488837 + ... + 3491336.

Almost surely, 2^8725216250 is an apocalyptic number.

8725216250 is a deficient number, since it is larger than the sum of its proper divisors (7629331432).

8725216250 is an equidigital number, since it uses as much as digits as its factorization.

8725216250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6980195 (or 6980180 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 8725216250 is about 93408.8660138854. The cubic root of 8725216250 is about 2058.6952691007.

The spelling of 8725216250 in words is "eight billion, seven hundred twenty-five million, two hundred sixteen thousand, two hundred fifty".