677685964 has 12 divisors (see below), whose sum is σ = 1187308864. Its totient is φ = 338454864.

The previous prime is 677685929. The next prime is 677686001. The reversal of 677685964 is 469586776.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 677685899 and 677685908.

It is an unprimeable number.

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, 93084 + ... + 100099.

Almost surely, 2^677685964 is an apocalyptic number.

It is an amenable number.

677685964 is a deficient number, since it is larger than the sum of its proper divisors (509622900).

677685964 is a wasteful number, since it uses less digits than its factorization.

677685964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194064 (or 194062 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 58.

The square root of 677685964 is about 26032.4021941887. The cubic root of 677685964 is about 878.3673084334.

The spelling of 677685964 in words is "six hundred seventy-seven million, six hundred eighty-five thousand, nine hundred sixty-four".