866028680207 has 8 divisors (see below), whose sum is σ = 912708802800. Its totient is φ = 819458524224.

The previous prime is 866028680201. The next prime is 866028680227. The reversal of 866028680207 is 702086820668.

866028680207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 866028680207 - 2¹² = 866028676111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866028680201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27475478 + ... + 27506979.

It is an arithmetic number, because the mean of its divisors is an integer number (114088600350).

Almost surely, 2^866028680207 is an apocalyptic number.

866028680207 is a deficient number, since it is larger than the sum of its proper divisors (46680122593).

866028680207 is a wasteful number, since it uses less digits than its factorization.

866028680207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54983305.

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 866028680207 in words is "eight hundred sixty-six billion, twenty-eight million, six hundred eighty thousand, two hundred seven".