866800082636755 has 8 divisors (see below), whose sum is σ = 1040586219661824. Its totient is φ = 693155985777600.

The previous prime is 866800082636729. The next prime is 866800082636759. The reversal of 866800082636755 is 557636280008668.

866800082636755 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 not a de Polignac number, because 866800082636755 - 2⁴⁹ = 303850129215443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (866800082636759) 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, 35510028051 + ... + 35510052460.

It is an arithmetic number, because the mean of its divisors is an integer number (130073277457728).

Almost surely, 2^{866800082636755} is an apocalyptic number.

866800082636755 is a deficient number, since it is larger than the sum of its proper divisors (173786137025069).

866800082636755 is a wasteful number, since it uses less digits than its factorization.

866800082636755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71020082957.

The product of its (nonzero) digits is 696729600, while the sum is 70.

The spelling of 866800082636755 in words is "eight hundred sixty-six trillion, eight hundred billion, eighty-two million, six hundred thirty-six thousand, seven hundred fifty-five".