65782863833 has 4 divisors (see below), whose sum is σ = 66683999028. Its totient is φ = 64881728640.

The previous prime is 65782863827. The next prime is 65782863857. The reversal of 65782863833 is 33836828756.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34227960064 + 31554903769 = 185008^2 + 177637^2 .

It is a cyclic number.

It is not a de Polignac number, because 65782863833 - 2²⁶ = 65715754969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65787863833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450567488 + ... + 450567633.

It is an arithmetic number, because the mean of its divisors is an integer number (16670999757).

Almost surely, 2^65782863833 is an apocalyptic number.

It is an amenable number.

65782863833 is a deficient number, since it is larger than the sum of its proper divisors (901135195).

65782863833 is an equidigital number, since it uses as much as digits as its factorization.

65782863833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901135194.

The product of its digits is 34836480, while the sum is 59.

The spelling of 65782863833 in words is "sixty-five billion, seven hundred eighty-two million, eight hundred sixty-three thousand, eight hundred thirty-three".