7845609325 has 12 divisors (see below), whose sum is σ = 9965838708. Its totient is φ = 6123401600.

The previous prime is 7845609287. The next prime is 7845609341. The reversal of 7845609325 is 5239065487.

It can be written as a sum of positive squares in 6 ways, for example, as 238455364 + 7607153961 = 15442^2 + 87219^2 .

It is not a de Polignac number, because 7845609325 - 2⁷ = 7845609197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3826102 + ... + 3828151.

It is an arithmetic number, because the mean of its divisors is an integer number (830486559).

Almost surely, 2^7845609325 is an apocalyptic number.

It is an amenable number.

7845609325 is a deficient number, since it is larger than the sum of its proper divisors (2120229383).

7845609325 is a wasteful number, since it uses less digits than its factorization.

7845609325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7654304 (or 7654299 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The square root of 7845609325 is about 88575.4442551659. Note that the first 3 decimals coincide. The cubic root of 7845609325 is about 1987.0504459012.

The spelling of 7845609325 in words is "seven billion, eight hundred forty-five million, six hundred nine thousand, three hundred twenty-five".