866786235086773 has 8 divisors (see below), whose sum is σ = 904506600336768. Its totient is φ = 829068703770384.

The previous prime is 866786235086743. The next prime is 866786235086803. The reversal of 866786235086773 is 377680532687668.

It is an interprime number because it is at equal distance from previous prime (866786235086743) and next prime (866786235086803).

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 866786235086773 - 2⁵ = 866786235086741 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 (866786235086713) 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, 707858361 + ... + 709081822.

It is an arithmetic number, because the mean of its divisors is an integer number (113063325042096).

Almost surely, 2^{866786235086773} is an apocalyptic number.

It is an amenable number.

866786235086773 is a deficient number, since it is larger than the sum of its proper divisors (37720365249995).

866786235086773 is a wasteful number, since it uses less digits than its factorization.

866786235086773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416966803.

The product of its (nonzero) digits is 20483850240, while the sum is 82.

The spelling of 866786235086773 in words is "eight hundred sixty-six trillion, seven hundred eighty-six billion, two hundred thirty-five million, eighty-six thousand, seven hundred seventy-three".