866903141 has 4 divisors (see below), whose sum is σ = 933588012. Its totient is φ = 800218272.

The previous prime is 866903131. The next prime is 866903159. The reversal of 866903141 is 141309668.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 258244900 + 608658241 = 16070^2 + 24671^2 .

It is a cyclic number.

It is not a de Polignac number, because 866903141 - 2⁶ = 866903077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 866903095 and 866903104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866903131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33342416 + ... + 33342441.

It is an arithmetic number, because the mean of its divisors is an integer number (233397003).

Almost surely, 2^866903141 is an apocalyptic number.

It is an amenable number.

866903141 is a deficient number, since it is larger than the sum of its proper divisors (66684871).

866903141 is a wasteful number, since it uses less digits than its factorization.

866903141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66684870.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 866903141 is about 29443.2189306808. The cubic root of 866903141 is about 953.5062092015.

The spelling of 866903141 in words is "eight hundred sixty-six million, nine hundred three thousand, one hundred forty-one".