866800117243358 has 8 divisors (see below), whose sum is σ = 1368631764068520. Its totient is φ = 410589529220520.

The previous prime is 866800117243351. The next prime is 866800117243367. The reversal of 866800117243358 is 853342711008668.

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

It is a super-3 number, since 3×866800117243358³ (a number of 46 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 866800117243358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866800117243351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11405264700533 + ... + 11405264700608.

It is an arithmetic number, because the mean of its divisors is an integer number (171078970508565).

Almost surely, 2^{866800117243358} is an apocalyptic number.

866800117243358 is a deficient number, since it is larger than the sum of its proper divisors (501831646825162).

866800117243358 is a wasteful number, since it uses less digits than its factorization.

866800117243358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22810529401162.

The product of its (nonzero) digits is 46448640, while the sum is 62.

The spelling of 866800117243358 in words is "eight hundred sixty-six trillion, eight hundred billion, one hundred seventeen million, two hundred forty-three thousand, three hundred fifty-eight".