822811028689 has 16 divisors (see below), whose sum is σ = 892962766080. Its totient is φ = 753640318080.

The previous prime is 822811028659. The next prime is 822811028693. The reversal of 822811028689 is 986820118228.

It is not a de Polignac number, because 822811028689 - 2¹¹ = 822811026641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (822811028659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21314197 + ... + 21352765.

It is an arithmetic number, because the mean of its divisors is an integer number (55810172880).

Almost surely, 2^822811028689 is an apocalyptic number.

It is an amenable number.

822811028689 is a deficient number, since it is larger than the sum of its proper divisors (70151737391).

822811028689 is a wasteful number, since it uses less digits than its factorization.

822811028689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51240.

The product of its (nonzero) digits is 1769472, while the sum is 55.

The spelling of 822811028689 in words is "eight hundred twenty-two billion, eight hundred eleven million, twenty-eight thousand, six hundred eighty-nine".