866854341 has 24 divisors (see below), whose sum is σ = 1313072280. Its totient is φ = 550319616.

The previous prime is 866854321. The next prime is 866854369. The reversal of 866854341 is 143458668.

866854341 is a `hidden beast` number, since 8 + 6 + 68 + 543 + 41 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 55800900 + 811053441 = 7470^2 + 28479^2 .

It is not a de Polignac number, because 866854341 - 2⁹ = 866853829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866854321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3696 + ... + 41801.

It is an arithmetic number, because the mean of its divisors is an integer number (54711345).

Almost surely, 2^866854341 is an apocalyptic number.

It is an amenable number.

866854341 is a deficient number, since it is larger than the sum of its proper divisors (446217939).

866854341 is a wasteful number, since it uses less digits than its factorization.

866854341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45605 (or 45602 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 866854341 is about 29442.3902052805. The cubic root of 866854341 is about 953.4883171695.

The spelling of 866854341 in words is "eight hundred sixty-six million, eight hundred fifty-four thousand, three hundred forty-one".