677860543 has 2 divisors, whose sum is σ = 677860544. Its totient is φ = 677860542.

The previous prime is 677860523. The next prime is 677860559. The reversal of 677860543 is 345068776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 677860543 - 2²⁹ = 140989631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 677860493 and 677860502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677860523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338930271 + 338930272.

It is an arithmetic number, because the mean of its divisors is an integer number (338930272).

Almost surely, 2^677860543 is an apocalyptic number.

677860543 is a deficient number, since it is larger than the sum of its proper divisors (1).

677860543 is an equidigital number, since it uses as much as digits as its factorization.

677860543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 46.

The square root of 677860543 is about 26035.7550879555. The cubic root of 677860543 is about 878.4427274960.

The spelling of 677860543 in words is "six hundred seventy-seven million, eight hundred sixty thousand, five hundred forty-three".