677380768 has 24 divisors (see below), whose sum is σ = 1335169332. Its totient is φ = 338290176.

The previous prime is 677380699. The next prime is 677380801. The reversal of 677380768 is 867083776.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 620408464 + 56972304 = 24908^2 + 7548^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15996 + ... + 40132.

Almost surely, 2^677380768 is an apocalyptic number.

It is an amenable number.

677380768 is a deficient number, since it is larger than the sum of its proper divisors (657788564).

677380768 is a wasteful number, since it uses less digits than its factorization.

677380768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25024 (or 25016 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 52.

The square root of 677380768 is about 26026.5396854826. The cubic root of 677380768 is about 878.2354310074.

The spelling of 677380768 in words is "six hundred seventy-seven million, three hundred eighty thousand, seven hundred sixty-eight".