673830881 has 2 divisors, whose sum is σ = 673830882. Its totient is φ = 673830880.

The previous prime is 673830851. The next prime is 673830907. The reversal of 673830881 is 188038376.

673830881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 585640000 + 88190881 = 24200^2 + 9391^2 .

It is a cyclic number.

It is not a de Polignac number, because 673830881 - 2¹⁴ = 673814497 is a prime.

It is a super-2 number, since 2×673830881² = 908096112378472322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (673830811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336915440 + 336915441.

It is an arithmetic number, because the mean of its divisors is an integer number (336915441).

Almost surely, 2^673830881 is an apocalyptic number.

It is an amenable number.

673830881 is a deficient number, since it is larger than the sum of its proper divisors (1).

673830881 is an equidigital number, since it uses as much as digits as its factorization.

673830881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 673830881 is about 25958.2526569105. The cubic root of 673830881 is about 876.6985806852.

The spelling of 673830881 in words is "six hundred seventy-three million, eight hundred thirty thousand, eight hundred eighty-one".