7665050328 has 128 divisors (see below), whose sum is σ = 21360568320. Its totient is φ = 2276167680.

The previous prime is 7665050293. The next prime is 7665050363. The reversal of 7665050328 is 8230505667.

It is an interprime number because it is at equal distance from previous prime (7665050293) and next prime (7665050363).

It is a self number, because there is not a number n which added to its sum of digits gives 7665050328.

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, 4515976 + ... + 4517672.

It is an arithmetic number, because the mean of its divisors is an integer number (166879440).

Almost surely, 2^7665050328 is an apocalyptic number.

7665050328 is a gapful number since it is divisible by the number (78) 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 7665050328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10680284160).

7665050328 is an abundant number, since it is smaller than the sum of its proper divisors (13695517992).

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

7665050328 is a wasteful number, since it uses less digits than its factorization.

7665050328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217 (or 2213 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 7665050328 is about 87550.2731463472. The cubic root of 7665050328 is about 1971.6886521638.

The spelling of 7665050328 in words is "seven billion, six hundred sixty-five million, fifty thousand, three hundred twenty-eight".