65783945822 has 16 divisors (see below), whose sum is σ = 118707872640. Its totient is φ = 26709271128.

The previous prime is 65783945809. The next prime is 65783945827. The reversal of 65783945822 is 22854938756.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65783945827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123653768 + ... + 123654299.

It is an arithmetic number, because the mean of its divisors is an integer number (7419242040).

Almost surely, 2^65783945822 is an apocalyptic number.

65783945822 is a deficient number, since it is larger than the sum of its proper divisors (52923926818).

65783945822 is a wasteful number, since it uses less digits than its factorization.

65783945822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247308095.

The product of its digits is 29030400, while the sum is 59.

The spelling of 65783945822 in words is "sixty-five billion, seven hundred eighty-three million, nine hundred forty-five thousand, eight hundred twenty-two".