7669980672769 has 4 divisors (see below), whose sum is σ = 7756160230980. Its totient is φ = 7583801114560.

The previous prime is 7669980672763. The next prime is 7669980672791. The reversal of 7669980672769 is 9672760899667.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 430975181169 + 7239005491600 = 656487^2 + 2690540^2 .

It is a cyclic number.

It is not a de Polignac number, because 7669980672769 - 2²¹ = 7669978575617 is a prime.

It is a super-2 number, since 2×7669980672769² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7669980672692 and 7669980672701.

It is not an unprimeable number, because it can be changed into a prime (7669980672763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43089778972 + ... + 43089779149.

It is an arithmetic number, because the mean of its divisors is an integer number (1939040057745).

Almost surely, 2^{7669980672769} is an apocalyptic number.

It is an amenable number.

7669980672769 is a deficient number, since it is larger than the sum of its proper divisors (86179558211).

7669980672769 is an equidigital number, since it uses as much as digits as its factorization.

7669980672769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86179558210.

The product of its (nonzero) digits is 5184974592, while the sum is 82.

The spelling of 7669980672769 in words is "seven trillion, six hundred sixty-nine billion, nine hundred eighty million, six hundred seventy-two thousand, seven hundred sixty-nine".