677268769 has 4 divisors (see below), whose sum is σ = 678269844. Its totient is φ = 676267696.

The previous prime is 677268727. The next prime is 677268793. The reversal of 677268769 is 967862776.

It is a happy number.

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 343731600 + 333537169 = 18540^2 + 18263^2 .

It is a cyclic number.

It is not a de Polignac number, because 677268769 - 2¹¹ = 677266721 is a prime.

It is a super-2 number, since 2×677268769² = 917385970925550722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677268869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499522 + ... + 500875.

It is an arithmetic number, because the mean of its divisors is an integer number (169567461).

Almost surely, 2^677268769 is an apocalyptic number.

It is an amenable number.

677268769 is a deficient number, since it is larger than the sum of its proper divisors (1001075).

677268769 is a wasteful number, since it uses less digits than its factorization.

677268769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001074.

The product of its digits is 10668672, while the sum is 58.

The square root of 677268769 is about 26024.3879659061. The cubic root of 677268769 is about 878.1870254842.

The spelling of 677268769 in words is "six hundred seventy-seven million, two hundred sixty-eight thousand, seven hundred sixty-nine".