674616889 has 2 divisors, whose sum is σ = 674616890. Its totient is φ = 674616888.

The previous prime is 674616883. The next prime is 674616919. The reversal of 674616889 is 988616476.

It is a happy number.

674616889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 560126889 + 114490000 = 23667^2 + 10700^2 .

It is a cyclic number.

It is not a de Polignac number, because 674616889 - 2⁹ = 674616377 is a prime.

It is not a weakly prime, because it can be changed into another prime (674616883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337308444 + 337308445.

It is an arithmetic number, because the mean of its divisors is an integer number (337308445).

Almost surely, 2^674616889 is an apocalyptic number.

It is an amenable number.

674616889 is a deficient number, since it is larger than the sum of its proper divisors (1).

674616889 is an equidigital number, since it uses as much as digits as its factorization.

674616889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 55.

The square root of 674616889 is about 25973.3880924303. The cubic root of 674616889 is about 877.0393310398.

The spelling of 674616889 in words is "six hundred seventy-four million, six hundred sixteen thousand, eight hundred eighty-nine".