822397691060 has 96 divisors (see below), whose sum is σ = 1889976049920. Its totient is φ = 298112256000.

The previous prime is 822397691053. The next prime is 822397691077. The reversal of 822397691060 is 60196793228.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 822397690993 and 822397691011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254689526 + ... + 254692754.

It is an arithmetic number, because the mean of its divisors is an integer number (19687250520).

Almost surely, 2^822397691060 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 822397691060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (944988024960).

822397691060 is an abundant number, since it is smaller than the sum of its proper divisors (1067578358860).

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

822397691060 is a wasteful number, since it uses less digits than its factorization.

822397691060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6537 (or 6535 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 822397691060 in words is "eight hundred twenty-two billion, three hundred ninety-seven million, six hundred ninety-one thousand, sixty".