852144479 has 2 divisors, whose sum is σ = 852144480. Its totient is φ = 852144478.

The previous prime is 852144443. The next prime is 852144511. The reversal of 852144479 is 974441258.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-852144479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (852144179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426072239 + 426072240.

It is an arithmetic number, because the mean of its divisors is an integer number (426072240).

Almost surely, 2^852144479 is an apocalyptic number.

852144479 is a deficient number, since it is larger than the sum of its proper divisors (1).

852144479 is an equidigital number, since it uses as much as digits as its factorization.

852144479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 44.

The square root of 852144479 is about 29191.5138182315. The cubic root of 852144479 is about 948.0641943954.

The spelling of 852144479 in words is "eight hundred fifty-two million, one hundred forty-four thousand, four hundred seventy-nine".