7688641325 has 12 divisors (see below), whose sum is σ = 9556049088. Its totient is φ = 6136633200.

The previous prime is 7688641283. The next prime is 7688641369. The reversal of 7688641325 is 5231468867.

It is not a de Polignac number, because 7688641325 - 2²² = 7684447021 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, 346007 + ... + 367556.

It is an arithmetic number, because the mean of its divisors is an integer number (796337424).

Almost surely, 2^7688641325 is an apocalyptic number.

It is an amenable number.

7688641325 is a deficient number, since it is larger than the sum of its proper divisors (1867407763).

7688641325 is a wasteful number, since it uses less digits than its factorization.

7688641325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714004 (or 713999 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 50.

The square root of 7688641325 is about 87684.8979300313. The cubic root of 7688641325 is about 1973.7093591890.

The spelling of 7688641325 in words is "seven billion, six hundred eighty-eight million, six hundred forty-one thousand, three hundred twenty-five".