8758520540 has 96 divisors (see below), whose sum is σ = 23154453504. Its totient is φ = 2703375360.

The previous prime is 8758520539. The next prime is 8758520567. The reversal of 8758520540 is 450258578.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 8758520491 and 8758520500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131012 + ... + 186228.

It is an arithmetic number, because the mean of its divisors is an integer number (241192224).

Almost surely, 2^8758520540 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 8758520540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11577226752).

8758520540 is an abundant number, since it is smaller than the sum of its proper divisors (14395932964).

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

8758520540 is a wasteful number, since it uses less digits than its factorization.

8758520540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55347 (or 55345 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 44.

The square root of 8758520540 is about 93586.9677893242. The cubic root of 8758520540 is about 2061.3113010314.

The spelling of 8758520540 in words is "eight billion, seven hundred fifty-eight million, five hundred twenty thousand, five hundred forty".