850675979 has 2 divisors, whose sum is σ = 850675980. Its totient is φ = 850675978.

The previous prime is 850675967. The next prime is 850675981. The reversal of 850675979 is 979576058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 850675979 - 2⁴ = 850675963 is a prime.

Together with 850675981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (850675949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425337989 + 425337990.

It is an arithmetic number, because the mean of its divisors is an integer number (425337990).

Almost surely, 2^850675979 is an apocalyptic number.

850675979 is a deficient number, since it is larger than the sum of its proper divisors (1).

850675979 is an equidigital number, since it uses as much as digits as its factorization.

850675979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4762800, while the sum is 56.

The square root of 850675979 is about 29166.3501144727. The cubic root of 850675979 is about 947.5192817996.

The spelling of 850675979 in words is "eight hundred fifty million, six hundred seventy-five thousand, nine hundred seventy-nine".