7987330758 has 48 divisors (see below), whose sum is σ = 17589196800. Its totient is φ = 2416230960.

The previous prime is 7987330753. The next prime is 7987330781. The reversal of 7987330758 is 8570337897.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7987330698 and 7987330707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7987330753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 425691 + ... + 444057.

It is an arithmetic number, because the mean of its divisors is an integer number (366441600).

Almost surely, 2^7987330758 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7987330758, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8794598400).

7987330758 is an abundant number, since it is smaller than the sum of its proper divisors (9601866042).

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

7987330758 is a wasteful number, since it uses less digits than its factorization.

7987330758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18993 (or 18982 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 57.

The square root of 7987330758 is about 89371.8678220389. The cubic root of 7987330758 is about 1998.9436720172.

The spelling of 7987330758 in words is "seven billion, nine hundred eighty-seven million, three hundred thirty thousand, seven hundred fifty-eight".