885198469 has 2 divisors, whose sum is σ = 885198470. Its totient is φ = 885198468.

The previous prime is 885198463. The next prime is 885198529. The reversal of 885198469 is 964891588.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 618268225 + 266930244 = 24865^2 + 16338^2 .

It is a cyclic number.

It is not a de Polignac number, because 885198469 - 2⁷ = 885198341 is a prime.

It is a super-2 number, since 2×885198469² = 1567152659039887922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (885198463) 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, 442599234 + 442599235.

It is an arithmetic number, because the mean of its divisors is an integer number (442599235).

Almost surely, 2^885198469 is an apocalyptic number.

It is an amenable number.

885198469 is a deficient number, since it is larger than the sum of its proper divisors (1).

885198469 is an equidigital number, since it uses as much as digits as its factorization.

885198469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 58.

The square root of 885198469 is about 29752.2851055175. The cubic root of 885198469 is about 960.1672411903.

The spelling of 885198469 in words is "eight hundred eighty-five million, one hundred ninety-eight thousand, four hundred sixty-nine".