865824909060 has 192 divisors, whose sum is σ = 2467787212800. Its totient is φ = 226791290880.

The previous prime is 865824909041. The next prime is 865824909073. The reversal of 865824909060 is 60909428568.

865824909060 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 430543455 + ... + 430545465.

It is an arithmetic number, because the mean of its divisors is an integer number (12853058400).

Almost surely, 2^865824909060 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 865824909060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1233893606400).

865824909060 is an abundant number, since it is smaller than the sum of its proper divisors (1601962303740).

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

865824909060 is a wasteful number, since it uses less digits than its factorization.

865824909060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666 (or 2664 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 865824909060 in words is "eight hundred sixty-five billion, eight hundred twenty-four million, nine hundred nine thousand, sixty".