827791089963 has 16 divisors (see below), whose sum is σ = 1124884786560. Its totient is φ = 541319996736.

The previous prime is 827791089911. The next prime is 827791089973. The reversal of 827791089963 is 369980197728.

It is not a de Polignac number, because 827791089963 - 2⁹ = 827791089451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (827791089973) 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 15 ways as a sum of consecutive naturals, for example, 5035945 + ... + 5197722.

It is an arithmetic number, because the mean of its divisors is an integer number (70305299160).

Almost surely, 2^827791089963 is an apocalyptic number.

827791089963 is a deficient number, since it is larger than the sum of its proper divisors (297093696597).

827791089963 is a wasteful number, since it uses less digits than its factorization.

827791089963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10234186.

The product of its (nonzero) digits is 82301184, while the sum is 69.

The spelling of 827791089963 in words is "eight hundred twenty-seven billion, seven hundred ninety-one million, eighty-nine thousand, nine hundred sixty-three".