7755530328 has 480 divisors, whose sum is σ = 27464405760. Its totient is φ = 2001542400.

The previous prime is 7755530323. The next prime is 7755530351. The reversal of 7755530328 is 8230355577.

7755530328 is a `hidden beast` number, since 7 + 75 + 553 + 0 + 3 + 28 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7755530323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 51361053 + ... + 51361203.

It is an arithmetic number, because the mean of its divisors is an integer number (57217512).

Almost surely, 2^7755530328 is an apocalyptic number.

7755530328 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 7755530328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13732202880).

7755530328 is an abundant number, since it is smaller than the sum of its proper divisors (19708875432).

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

7755530328 is a wasteful number, since it uses less digits than its factorization.

7755530328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 45.

The square root of 7755530328 is about 88065.4888591439. The cubic root of 7755530328 is about 1979.4164120314.

The spelling of 7755530328 in words is "seven billion, seven hundred fifty-five million, five hundred thirty thousand, three hundred twenty-eight".