676884893 has 2 divisors, whose sum is σ = 676884894. Its totient is φ = 676884892.

The previous prime is 676884851. The next prime is 676884947. The reversal of 676884893 is 398488676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 608954329 + 67930564 = 24677^2 + 8242^2 .

It is a cyclic number.

It is not a de Polignac number, because 676884893 - 2⁶ = 676884829 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676884193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338442446 + 338442447.

It is an arithmetic number, because the mean of its divisors is an integer number (338442447).

Almost surely, 2^676884893 is an apocalyptic number.

It is an amenable number.

676884893 is a deficient number, since it is larger than the sum of its proper divisors (1).

676884893 is an equidigital number, since it uses as much as digits as its factorization.

676884893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13934592, while the sum is 59.

The square root of 676884893 is about 26017.0116077923. The cubic root of 676884893 is about 878.0210752980.

The spelling of 676884893 in words is "six hundred seventy-six million, eight hundred eighty-four thousand, eight hundred ninety-three".