852320387 has 2 divisors, whose sum is σ = 852320388. Its totient is φ = 852320386.

The previous prime is 852320327. The next prime is 852320437. The reversal of 852320387 is 783023258.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 852320387 - 2¹² = 852316291 is a prime.

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 852320387.

It is not a weakly prime, because it can be changed into another prime (852320327) 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, 426160193 + 426160194.

It is an arithmetic number, because the mean of its divisors is an integer number (426160194).

Almost surely, 2^852320387 is an apocalyptic number.

852320387 is a deficient number, since it is larger than the sum of its proper divisors (1).

852320387 is an equidigital number, since it uses as much as digits as its factorization.

852320387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 852320387 is about 29194.5266616878. The cubic root of 852320387 is about 948.1294261357.

The spelling of 852320387 in words is "eight hundred fifty-two million, three hundred twenty thousand, three hundred eighty-seven".