866097123741 has 12 divisors (see below), whose sum is σ = 1251097486080. Its totient is φ = 577366556040.

The previous prime is 866097123721. The next prime is 866097123751. The reversal of 866097123741 is 147321790668.

866097123741 is a `hidden beast` number, since 8 + 6 + 609 + 7 + 1 + 23 + 7 + 4 + 1 = 666.

It is not a de Polignac number, because 866097123741 - 2⁷ = 866097123613 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866097123721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2452605 + ... + 2783426.

It is an arithmetic number, because the mean of its divisors is an integer number (104258123840).

Almost surely, 2^866097123741 is an apocalyptic number.

It is an amenable number.

866097123741 is a deficient number, since it is larger than the sum of its proper divisors (385000362339).

866097123741 is a wasteful number, since it uses less digits than its factorization.

866097123741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254416 (or 5254413 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 866097123741 in words is "eight hundred sixty-six billion, ninety-seven million, one hundred twenty-three thousand, seven hundred forty-one".