677218460 has 24 divisors (see below), whose sum is σ = 1505815920. Its totient is φ = 254952704.

The previous prime is 677218459. The next prime is 677218489. The reversal of 677218460 is 64812776.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 995570 + ... + 996249.

It is an arithmetic number, because the mean of its divisors is an integer number (62742330).

Almost surely, 2^677218460 is an apocalyptic number.

It is an amenable number.

677218460 is an abundant number, since it is smaller than the sum of its proper divisors (828597460).

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

677218460 is a wasteful number, since it uses less digits than its factorization.

677218460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991845 (or 1991843 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 677218460 is about 26023.4213738317. The cubic root of 677218460 is about 878.1652803971.

The spelling of 677218460 in words is "six hundred seventy-seven million, two hundred eighteen thousand, four hundred sixty".