85387305822 has 192 divisors, whose sum is σ = 216602455104. Its totient is φ = 22241157120.

The previous prime is 85387305797. The next prime is 85387305877. The reversal of 85387305822 is 22850378358.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 163890922 + ... + 163891442.

It is an arithmetic number, because the mean of its divisors is an integer number (1128137787).

Almost surely, 2^85387305822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85387305822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108301227552).

85387305822 is an abundant number, since it is smaller than the sum of its proper divisors (131215149282).

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

85387305822 is a wasteful number, since it uses less digits than its factorization.

85387305822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 85387305822 in words is "eighty-five billion, three hundred eighty-seven million, three hundred five thousand, eight hundred twenty-two".