822398753085 has 256 divisors, whose sum is σ = 1713174478848. Its totient is φ = 327614284800.

The previous prime is 822398753083. The next prime is 822398753089. The reversal of 822398753085 is 580357893228.

It is not a de Polignac number, because 822398753085 - 2¹ = 822398753083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822398753083) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 303354880 + ... + 303357590.

It is an arithmetic number, because the mean of its divisors is an integer number (6692087808).

Almost surely, 2^822398753085 is an apocalyptic number.

It is an amenable number.

822398753085 is an abundant number, since it is smaller than the sum of its proper divisors (890775725763).

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

822398753085 is a wasteful number, since it uses less digits than its factorization.

822398753085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944.

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 822398753085 in words is "eight hundred twenty-two billion, three hundred ninety-eight million, seven hundred fifty-three thousand, eighty-five".