7657330641 has 8 divisors (see below), whose sum is σ = 10315029984. Its totient is φ = 5052259200.

The previous prime is 7657330633. The next prime is 7657330691. The reversal of 7657330641 is 1460337567.

It is a happy number.

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

It is not a de Polignac number, because 7657330641 - 2³ = 7657330633 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7657330593 and 7657330602.

It is not an unprimeable number, because it can be changed into a prime (7657330691) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13156635 + ... + 13157216.

It is an arithmetic number, because the mean of its divisors is an integer number (1289378748).

Almost surely, 2^7657330641 is an apocalyptic number.

It is an amenable number.

7657330641 is a deficient number, since it is larger than the sum of its proper divisors (2657699343).

7657330641 is a wasteful number, since it uses less digits than its factorization.

7657330641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26313951.

The product of its (nonzero) digits is 317520, while the sum is 42.

The square root of 7657330641 is about 87506.1748735482. The cubic root of 7657330641 is about 1971.0265155290.

The spelling of 7657330641 in words is "seven billion, six hundred fifty-seven million, three hundred thirty thousand, six hundred forty-one".