677918612 has 12 divisors (see below), whose sum is σ = 1355837280. Its totient is φ = 290536536.

The previous prime is 677918603. The next prime is 677918617. The reversal of 677918612 is 216819776.

677918612 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677918617) 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, 12105662 + ... + 12105717.

It is an arithmetic number, because the mean of its divisors is an integer number (112986440).

Almost surely, 2^677918612 is an apocalyptic number.

It is an amenable number.

677918612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677918612 is a wasteful number, since it uses less digits than its factorization.

677918612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24211390 (or 24211388 counting only the distinct ones).

The product of its digits is 254016, while the sum is 47.

The square root of 677918612 is about 26036.8702420241. The cubic root of 677918612 is about 878.4678107449.

The spelling of 677918612 in words is "six hundred seventy-seven million, nine hundred eighteen thousand, six hundred twelve".