677784568 has 32 divisors (see below), whose sum is σ = 1347984000. Its totient is φ = 318595680.

The previous prime is 677784553. The next prime is 677784593. The reversal of 677784568 is 865487776.

677784568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2893 + ... + 36931.

It is an arithmetic number, because the mean of its divisors is an integer number (42124500).

Almost surely, 2^677784568 is an apocalyptic number.

It is an amenable number.

677784568 is a deficient number, since it is larger than the sum of its proper divisors (670199432).

677784568 is a wasteful number, since it uses less digits than its factorization.

677784568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34195 (or 34191 counting only the distinct ones).

The product of its digits is 15805440, while the sum is 58.

The square root of 677784568 is about 26034.2959958590. The cubic root of 677784568 is about 878.4099074809.

The spelling of 677784568 in words is "six hundred seventy-seven million, seven hundred eighty-four thousand, five hundred sixty-eight".