866786233203364 has 6 divisors (see below), whose sum is σ = 1516875908105894. Its totient is φ = 433393116601680.

The previous prime is 866786233203347. The next prime is 866786233203481. The reversal of 866786233203364 is 463302332687668.

It can be written as a sum of positive squares in only one way, i.e., 582742400243364 + 284043832960000 = 24140058^2 + 16853600^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 866786233203364.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108348279150417 + ... + 108348279150424.

Almost surely, 2^{866786233203364} is an apocalyptic number.

It is an amenable number.

866786233203364 is a deficient number, since it is larger than the sum of its proper divisors (650089674902530).

866786233203364 is a wasteful number, since it uses less digits than its factorization.

866786233203364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216696558300845 (or 216696558300843 counting only the distinct ones).

The product of its (nonzero) digits is 752467968, while the sum is 67.

The spelling of 866786233203364 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-four".