677668231 has 8 divisors (see below), whose sum is σ = 728513280. Its totient is φ = 628341048.

The previous prime is 677668223. The next prime is 677668247. The reversal of 677668231 is 132866776.

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

It is a cyclic number.

It is not a de Polignac number, because 677668231 - 2³ = 677668223 is a prime.

It is a super-3 number, since 3×677668231³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677668031) 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 7 ways as a sum of consecutive naturals, for example, 378541 + ... + 380326.

It is an arithmetic number, because the mean of its divisors is an integer number (91064160).

Almost surely, 2^677668231 is an apocalyptic number.

677668231 is a deficient number, since it is larger than the sum of its proper divisors (50845049).

677668231 is a wasteful number, since it uses less digits than its factorization.

677668231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758933.

The product of its digits is 508032, while the sum is 46.

The square root of 677668231 is about 26032.0615971920. The cubic root of 677668231 is about 878.3596469578.

The spelling of 677668231 in words is "six hundred seventy-seven million, six hundred sixty-eight thousand, two hundred thirty-one".