7736672689 has 2 divisors, whose sum is σ = 7736672690. Its totient is φ = 7736672688.

The previous prime is 7736672621. The next prime is 7736672707. The reversal of 7736672689 is 9862766377.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6812026225 + 924646464 = 82535^2 + 30408^2 .

It is a cyclic number.

It is not a de Polignac number, because 7736672689 - 2¹⁵ = 7736639921 is a prime.

It is a super-2 number, since 2×7736672689² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7736672389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3868336344 + 3868336345.

It is an arithmetic number, because the mean of its divisors is an integer number (3868336345).

Almost surely, 2^7736672689 is an apocalyptic number.

It is an amenable number.

7736672689 is a deficient number, since it is larger than the sum of its proper divisors (1).

7736672689 is an equidigital number, since it uses as much as digits as its factorization.

7736672689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32006016, while the sum is 61.

The square root of 7736672689 is about 87958.3576984018. The cubic root of 7736672689 is about 1977.8107872612.

The spelling of 7736672689 in words is "seven billion, seven hundred thirty-six million, six hundred seventy-two thousand, six hundred eighty-nine".