670982579 has 2 divisors, whose sum is σ = 670982580. Its totient is φ = 670982578.

The previous prime is 670982563. The next prime is 670982581. The reversal of 670982579 is 975289076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 670982579 - 2⁴ = 670982563 is a prime.

Together with 670982581, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 670982579.

It is not a weakly prime, because it can be changed into another prime (670982779) 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, 335491289 + 335491290.

It is an arithmetic number, because the mean of its divisors is an integer number (335491290).

Almost surely, 2^670982579 is an apocalyptic number.

670982579 is a deficient number, since it is larger than the sum of its proper divisors (1).

670982579 is an equidigital number, since it uses as much as digits as its factorization.

670982579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The square root of 670982579 is about 25903.3314266717. The cubic root of 670982579 is about 875.4615595881.

The spelling of 670982579 in words is "six hundred seventy million, nine hundred eighty-two thousand, five hundred seventy-nine".