866308845 has 16 divisors (see below), whose sum is σ = 1386459072. Its totient is φ = 461909760.

The previous prime is 866308837. The next prime is 866308847. The reversal of 866308845 is 548803668.

It is not a de Polignac number, because 866308845 - 2³ = 866308837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 866308794 and 866308803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866308847) 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 15 ways as a sum of consecutive naturals, for example, 107269 + ... + 115061.

It is an arithmetic number, because the mean of its divisors is an integer number (86653692).

Almost surely, 2^866308845 is an apocalyptic number.

It is an amenable number.

866308845 is a deficient number, since it is larger than the sum of its proper divisors (520150227).

866308845 is a wasteful number, since it uses less digits than its factorization.

866308845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15212.

The product of its (nonzero) digits is 1105920, while the sum is 48.

The square root of 866308845 is about 29433.1249615123. The cubic root of 866308845 is about 953.2882707956.

The spelling of 866308845 in words is "eight hundred sixty-six million, three hundred eight thousand, eight hundred forty-five".