866314612 has 6 divisors (see below), whose sum is σ = 1516050578. Its totient is φ = 433157304.

The previous prime is 866314609. The next prime is 866314639. The reversal of 866314612 is 216413668.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 797158756 + 69155856 = 28234^2 + 8316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108289323 + ... + 108289330.

Almost surely, 2^866314612 is an apocalyptic number.

It is an amenable number.

866314612 is a deficient number, since it is larger than the sum of its proper divisors (649735966).

866314612 is a wasteful number, since it uses less digits than its factorization.

866314612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216578657 (or 216578655 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 866314612 is about 29433.2229292003. Note that the first 3 decimals coincide. The cubic root of 866314612 is about 953.2903861310.

The spelling of 866314612 in words is "eight hundred sixty-six million, three hundred fourteen thousand, six hundred twelve".