7749089825 has 12 divisors (see below), whose sum is σ = 9716839020. Its totient is φ = 6129615360.

The previous prime is 7749089807. The next prime is 7749089833. The reversal of 7749089825 is 5289809477.

7749089825 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 838160401 + 6910929424 = 28951^2 + 83132^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7749089825 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1739144 + ... + 1743593.

It is an arithmetic number, because the mean of its divisors is an integer number (809736585).

Almost surely, 2^7749089825 is an apocalyptic number.

It is an amenable number.

7749089825 is a deficient number, since it is larger than the sum of its proper divisors (1967749195).

7749089825 is a wasteful number, since it uses less digits than its factorization.

7749089825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482836 (or 3482831 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 59.

The square root of 7749089825 is about 88028.9147098838. The cubic root of 7749089825 is about 1978.8683313987.

The spelling of 7749089825 in words is "seven billion, seven hundred forty-nine million, eighty-nine thousand, eight hundred twenty-five".