827965204811 has 4 divisors (see below), whose sum is σ = 839307193992. Its totient is φ = 816623215632.

The previous prime is 827965204799. The next prime is 827965204823. The reversal of 827965204811 is 118402569728.

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

It is an interprime number because it is at equal distance from previous prime (827965204799) and next prime (827965204823).

It is a cyclic number.

It is not a de Polignac number, because 827965204811 - 2¹⁰ = 827965203787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (827965203811) 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 in 3 ways as a sum of consecutive naturals, for example, 5670994481 + ... + 5670994626.

It is an arithmetic number, because the mean of its divisors is an integer number (209826798498).

Almost surely, 2^827965204811 is an apocalyptic number.

827965204811 is a deficient number, since it is larger than the sum of its proper divisors (11341989181).

827965204811 is a wasteful number, since it uses less digits than its factorization.

827965204811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11341989180.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 827965204811 in words is "eight hundred twenty-seven billion, nine hundred sixty-five million, two hundred four thousand, eight hundred eleven".