677328823 has 2 divisors, whose sum is σ = 677328824. Its totient is φ = 677328822.

The previous prime is 677328809. The next prime is 677328829. The reversal of 677328823 is 328823776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 677328823 - 2¹⁷ = 677197751 is a prime.

It is a super-3 number, since 3×677328823³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677328829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338664411 + 338664412.

It is an arithmetic number, because the mean of its divisors is an integer number (338664412).

Almost surely, 2^677328823 is an apocalyptic number.

677328823 is a deficient number, since it is larger than the sum of its proper divisors (1).

677328823 is an equidigital number, since it uses as much as digits as its factorization.

677328823 is an odious number, because the sum of its binary digits is odd.

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

The square root of 677328823 is about 26025.5417426804. The cubic root of 677328823 is about 878.2129812481.

The spelling of 677328823 in words is "six hundred seventy-seven million, three hundred twenty-eight thousand, eight hundred twenty-three".