7688787041 has 8 divisors (see below), whose sum is σ = 8281390824. Its totient is φ = 7096348800.

The previous prime is 7688786999. The next prime is 7688787049. The reversal of 7688787041 is 1407878867.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14326225 + 7674460816 = 3785^2 + 87604^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7688787041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7688787049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65285 + ... + 140141.

It is an arithmetic number, because the mean of its divisors is an integer number (1035173853).

Almost surely, 2^7688787041 is an apocalyptic number.

It is an amenable number.

7688787041 is a deficient number, since it is larger than the sum of its proper divisors (592603783).

7688787041 is a wasteful number, since it uses less digits than its factorization.

7688787041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82771.

The product of its (nonzero) digits is 4214784, while the sum is 56.

The square root of 7688787041 is about 87685.7288331459. The cubic root of 7688787041 is about 1973.7218277645.

The spelling of 7688787041 in words is "seven billion, six hundred eighty-eight million, seven hundred eighty-seven thousand, forty-one".