866786050406773 has 8 divisors (see below), whose sum is σ = 1014773912671680. Its totient is φ = 724838509050720.

The previous prime is 866786050406767. The next prime is 866786050406807. The reversal of 866786050406773 is 377604050687668.

It is a happy number.

866786050406773 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 a de Polignac number, because none of the positive numbers 2^k-866786050406773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 866786050406696 and 866786050406705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866786050406723) 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, 1510080226903 + ... + 1510080227476.

It is an arithmetic number, because the mean of its divisors is an integer number (126846739083960).

Almost surely, 2^{866786050406773} is an apocalyptic number.

It is an amenable number.

866786050406773 is a deficient number, since it is larger than the sum of its proper divisors (147987862264907).

866786050406773 is a wasteful number, since it uses less digits than its factorization.

866786050406773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020160454427.

The product of its (nonzero) digits is 1706987520, while the sum is 73.

The spelling of 866786050406773 in words is "eight hundred sixty-six trillion, seven hundred eighty-six billion, fifty million, four hundred six thousand, seven hundred seventy-three".