822947962752 has 160 divisors (see below), whose sum is σ = 2474331071520. Its totient is φ = 271487655936.

The previous prime is 822947962693. The next prime is 822947962789. The reversal of 822947962752 is 257269749228.

822947962752 is a `hidden beast` number, since 8 + 2 + 294 + 79 + 6 + 275 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 822947962752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 596553 + ... + 1414839.

It is an arithmetic number, because the mean of its divisors is an integer number (15464569197).

Almost surely, 2^822947962752 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 822947962752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1237165535760).

822947962752 is an abundant number, since it is smaller than the sum of its proper divisors (1651383108768).

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

822947962752 is an equidigital number, since it uses as much as digits as its factorization.

822947962752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818410 (or 818389 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 822947962752 in words is "eight hundred twenty-two billion, nine hundred forty-seven million, nine hundred sixty-two thousand, seven hundred fifty-two".