866579066 has 8 divisors (see below), whose sum is σ = 1300229280. Its totient is φ = 433169308.

The previous prime is 866579059. The next prime is 866579081. The reversal of 866579066 is 660975668.

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

It is a junction number, because it is equal to n+sod(n) for n = 866578999 and 866579017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50816 + ... + 65691.

It is an arithmetic number, because the mean of its divisors is an integer number (162528660).

Almost surely, 2^866579066 is an apocalyptic number.

866579066 is a deficient number, since it is larger than the sum of its proper divisors (433650214).

866579066 is a wasteful number, since it uses less digits than its factorization.

866579066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120228.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The square root of 866579066 is about 29437.7150268155. The cubic root of 866579066 is about 953.3873777644.

The spelling of 866579066 in words is "eight hundred sixty-six million, five hundred seventy-nine thousand, sixty-six".