854866545500 has 96 divisors (see below), whose sum is σ = 2040056928000. Its totient is φ = 310357128000.

The previous prime is 854866545499. The next prime is 854866545553. The reversal of 854866545500 is 5545668458.

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, 3278951 + ... + 3530049.

It is an arithmetic number, because the mean of its divisors is an integer number (21250593000).

Almost surely, 2^854866545500 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 854866545500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1020028464000).

854866545500 is an abundant number, since it is smaller than the sum of its proper divisors (1185190382500).

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

854866545500 is a wasteful number, since it uses less digits than its factorization.

854866545500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251748 (or 251736 counting only the distinct ones).

The product of its (nonzero) digits is 23040000, while the sum is 56.

The spelling of 854866545500 in words is "eight hundred fifty-four billion, eight hundred sixty-six million, five hundred forty-five thousand, five hundred".