677684341 has 8 divisors (see below), whose sum is σ = 709134264. Its totient is φ = 646925760.

The previous prime is 677684339. The next prime is 677684347. The reversal of 677684341 is 143486776.

It can be written as a sum of positive squares in 4 ways, for example, as 298252900 + 379431441 = 17270^2 + 19479^2 .

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

It is not a de Polignac number, because 677684341 - 2¹ = 677684339 is a prime.

It is a super-3 number, since 3×677684341³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 677684291 and 677684300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677684347) 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, 170830 + ... + 174751.

It is an arithmetic number, because the mean of its divisors is an integer number (88641783).

Almost surely, 2^677684341 is an apocalyptic number.

It is an amenable number.

677684341 is a deficient number, since it is larger than the sum of its proper divisors (31449923).

677684341 is a wasteful number, since it uses less digits than its factorization.

677684341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345671.

The product of its digits is 677376, while the sum is 46.

The square root of 677684341 is about 26032.3710214802. The cubic root of 677684341 is about 878.3666072279.

The spelling of 677684341 in words is "six hundred seventy-seven million, six hundred eighty-four thousand, three hundred forty-one".