852669047 has 2 divisors, whose sum is σ = 852669048. Its totient is φ = 852669046.

The previous prime is 852668987. The next prime is 852669053. The reversal of 852669047 is 740966258.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 852669047 - 2¹⁰ = 852668023 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 852668992 and 852669010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (852669647) 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, 426334523 + 426334524.

It is an arithmetic number, because the mean of its divisors is an integer number (426334524).

Almost surely, 2^852669047 is an apocalyptic number.

852669047 is a deficient number, since it is larger than the sum of its proper divisors (1).

852669047 is an equidigital number, since it uses as much as digits as its factorization.

852669047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 852669047 is about 29200.4973759010. The cubic root of 852669047 is about 948.2586927608.

The spelling of 852669047 in words is "eight hundred fifty-two million, six hundred sixty-nine thousand, forty-seven".