670889203 has 2 divisors, whose sum is σ = 670889204. Its totient is φ = 670889202.

The previous prime is 670889201. The next prime is 670889237. The reversal of 670889203 is 302988076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670889203 - 2¹ = 670889201 is a prime.

Together with 670889201, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 670889203.

It is not a weakly prime, because it can be changed into another prime (670889201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335444601 + 335444602.

It is an arithmetic number, because the mean of its divisors is an integer number (335444602).

Almost surely, 2^670889203 is an apocalyptic number.

670889203 is a deficient number, since it is larger than the sum of its proper divisors (1).

670889203 is an equidigital number, since it uses as much as digits as its factorization.

670889203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 670889203 is about 25901.5289703137. The cubic root of 670889203 is about 875.4209470628.

The spelling of 670889203 in words is "six hundred seventy million, eight hundred eighty-nine thousand, two hundred three".