8725389120 has 448 divisors, whose sum is σ = 35595763200. Its totient is φ = 1970749440.

The previous prime is 8725389103. The next prime is 8725389121. The reversal of 8725389120 is 219835278.

It is a happy number.

8725389120 is a `hidden beast` number, since 8 + 7 + 2 + 538 + 91 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×8725389120² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8725389121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5381910 + ... + 5383530.

Almost surely, 2^8725389120 is an apocalyptic number.

8725389120 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 8725389120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17797881600).

8725389120 is an abundant number, since it is smaller than the sum of its proper divisors (26870374080).

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

8725389120 is a wasteful number, since it uses less digits than its factorization.

8725389120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743 (or 1727 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 8725389120 is about 93409.7913497295. The cubic root of 8725389120 is about 2058.7088651076.

The spelling of 8725389120 in words is "eight billion, seven hundred twenty-five million, three hundred eighty-nine thousand, one hundred twenty".