7676738689 has 9 divisors (see below), whose sum is σ = 7872226761. Its totient is φ = 7485996480.

The previous prime is 7676738633. The next prime is 7676738717. The reversal of 7676738689 is 9868376767.

The square root of 7676738689 is 87617.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 6308330625 + 1368408064 = 79425^2 + 36992^2 .

It is not a de Polignac number, because 7676738689 - 2³¹ = 5529255041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7676738189) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3591229 + ... + 3593365.

Almost surely, 2^7676738689 is an apocalyptic number.

7676738689 is the 87617-th square number.

7676738689 is the 43809-th centered octagonal number.

It is an amenable number.

7676738689 is a deficient number, since it is larger than the sum of its proper divisors (195488072).

7676738689 is an frugal number, since it uses more digits than its factorization.

7676738689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4356 (or 2178 counting only the distinct ones).

The product of its digits is 128024064, while the sum is 67.

The cubic root of 7676738689 is about 1972.6903461542.

The spelling of 7676738689 in words is "seven billion, six hundred seventy-six million, seven hundred thirty-eight thousand, six hundred eighty-nine".