866786233203363 has 32 divisors (see below), whose sum is σ = 1287194906253312. Its totient is φ = 514396005350400.

The previous prime is 866786233203347. The next prime is 866786233203481. The reversal of 866786233203363 is 363302332687668.

It is not a de Polignac number, because 866786233203363 - 2⁴ = 866786233203347 is a prime.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 866786233203294 and 866786233203303.

It is not an unprimeable number, because it can be changed into a prime (866786233203313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 965009070 + ... + 965906867.

It is an arithmetic number, because the mean of its divisors is an integer number (40224840820416).

Almost surely, 2^{866786233203363} is an apocalyptic number.

866786233203363 is a deficient number, since it is larger than the sum of its proper divisors (420408673049949).

866786233203363 is a wasteful number, since it uses less digits than its factorization.

866786233203363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930916235.

The product of its (nonzero) digits is 564350976, while the sum is 66.

The spelling of 866786233203363 in words is "eight hundred sixty-six trillion, seven hundred eighty-six billion, two hundred thirty-three million, two hundred three thousand, three hundred sixty-three".