842281763 has 2 divisors, whose sum is σ = 842281764. Its totient is φ = 842281762.

The previous prime is 842281757. The next prime is 842281831. The reversal of 842281763 is 367182248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 842281763 - 2²⁰ = 841233187 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 842281763.

It is not a weakly prime, because it can be changed into another prime (842281663) 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, 421140881 + 421140882.

It is an arithmetic number, because the mean of its divisors is an integer number (421140882).

Almost surely, 2^842281763 is an apocalyptic number.

842281763 is a deficient number, since it is larger than the sum of its proper divisors (1).

842281763 is an equidigital number, since it uses as much as digits as its factorization.

842281763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 41.

The square root of 842281763 is about 29022.0909481037. The cubic root of 842281763 is about 944.3923617194.

The spelling of 842281763 in words is "eight hundred forty-two million, two hundred eighty-one thousand, seven hundred sixty-three".