677217682 has 8 divisors (see below), whose sum is σ = 1017777852. Its totient is φ = 337958400.

The previous prime is 677217679. The next prime is 677217713. The reversal of 677217682 is 286712776.

It can be written as a sum of positive squares in 2 ways, for example, as 648262521 + 28955161 = 25461^2 + 5381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 323919 + ... + 326002.

Almost surely, 2^677217682 is an apocalyptic number.

677217682 is a deficient number, since it is larger than the sum of its proper divisors (340560170).

677217682 is a wasteful number, since it uses less digits than its factorization.

677217682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650444.

The product of its digits is 395136, while the sum is 46.

The square root of 677217682 is about 26023.4064257545. The cubic root of 677217682 is about 878.1649441133.

The spelling of 677217682 in words is "six hundred seventy-seven million, two hundred seventeen thousand, six hundred eighty-two".