866441300576380 has 24 divisors (see below), whose sum is σ = 1837541847365280. Its totient is φ = 343145069534400.

The previous prime is 866441300576363. The next prime is 866441300576413. The reversal of 866441300576380 is 83675003144668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214465666440 + ... + 214465670479.

It is an arithmetic number, because the mean of its divisors is an integer number (76564243640220).

Almost surely, 2^{866441300576380} is an apocalyptic number.

It is an amenable number.

866441300576380 is an abundant number, since it is smaller than the sum of its proper divisors (971100546788900).

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

866441300576380 is a wasteful number, since it uses less digits than its factorization.

866441300576380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428931337029 (or 428931337027 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 61.

The spelling of 866441300576380 in words is "eight hundred sixty-six trillion, four hundred forty-one billion, three hundred million, five hundred seventy-six thousand, three hundred eighty".