822823723008 has 448 divisors, whose sum is σ = 2820937655040. Its totient is φ = 235092492288.

The previous prime is 822823722997. The next prime is 822823723009. The reversal of 822823723008 is 800327328228.

It is a tau number, because it is divible by the number of its divisors (448).

It is not an unprimeable number, because it can be changed into a prime (822823723009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117546246141 + ... + 117546246147.

Almost surely, 2^822823723008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 822823723008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1410468827520).

822823723008 is an abundant number, since it is smaller than the sum of its proper divisors (1998113932032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

822823723008 is an frugal number, since it uses more digits than its factorization.

822823723008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 12 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

822823723008 divided by its product of nonzero digits (516096) gives a 13-th power (1594323 = 3¹³).

The spelling of 822823723008 in words is "eight hundred twenty-two billion, eight hundred twenty-three million, seven hundred twenty-three thousand, eight".