866441300576331 has 8 divisors (see below), whose sum is σ = 1155256326624400. Its totient is φ = 577626904122912.

The previous prime is 866441300576321. The next prime is 866441300576353. The reversal of 866441300576331 is 133675003144668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 866441300576331 - 2¹³ = 866441300568139 is a prime.

It is a super-2 number, since 2×866441300576331² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (866441300576321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154178140 + ... + 159699033.

It is an arithmetic number, because the mean of its divisors is an integer number (144407040828050).

Almost surely, 2^{866441300576331} is an apocalyptic number.

866441300576331 is a deficient number, since it is larger than the sum of its proper divisors (288815026048069).

866441300576331 is a wasteful number, since it uses less digits than its factorization.

866441300576331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314797325.

The product of its (nonzero) digits is 26127360, while the sum is 57.

The spelling of 866441300576331 in words is "eight hundred sixty-six trillion, four hundred forty-one billion, three hundred million, five hundred seventy-six thousand, three hundred thirty-one".