7677504745469 has 4 divisors (see below), whose sum is σ = 8268082033596. Its totient is φ = 7086927457344.

The previous prime is 7677504745433. The next prime is 7677504745481. The reversal of 7677504745469 is 9645474057767.

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 1311799134244 + 6365705611225 = 1145338^2 + 2523035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7677504745469 is a prime.

It is a super-2 number, since 2×7677504745469² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7677504745499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295288644044 + ... + 295288644069.

It is an arithmetic number, because the mean of its divisors is an integer number (2067020508399).

Almost surely, 2^{7677504745469} is an apocalyptic number.

It is an amenable number.

7677504745469 is a deficient number, since it is larger than the sum of its proper divisors (590577288127).

7677504745469 is a wasteful number, since it uses less digits than its factorization.

7677504745469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590577288126.

The product of its (nonzero) digits is 1244678400, while the sum is 71.

The spelling of 7677504745469 in words is "seven trillion, six hundred seventy-seven billion, five hundred four million, seven hundred forty-five thousand, four hundred sixty-nine".