866611713 has 16 divisors (see below), whose sum is σ = 1261031616. Its totient is φ = 525008640.

The previous prime is 866611663. The next prime is 866611741. The reversal of 866611713 is 317116668.

It is not a de Polignac number, because 866611713 - 2⁶ = 866611649 is a prime.

It is a super-2 number, since 2×866611713² = 1502031722217588738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (866611013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130645 + ... + 137117.

It is an arithmetic number, because the mean of its divisors is an integer number (78814476).

Almost surely, 2^866611713 is an apocalyptic number.

It is an amenable number.

866611713 is a deficient number, since it is larger than the sum of its proper divisors (394419903).

866611713 is a wasteful number, since it uses less digits than its factorization.

866611713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10544.

The product of its digits is 36288, while the sum is 39.

The square root of 866611713 is about 29438.2695313430. The cubic root of 866611713 is about 953.3993500694.

The spelling of 866611713 in words is "eight hundred sixty-six million, six hundred eleven thousand, seven hundred thirteen".