8861841086865 has 16 divisors (see below), whose sum is σ = 15269633873088. Its totient is φ = 4362752534976.

The previous prime is 8861841086767. The next prime is 8861841086971. The reversal of 8861841086865 is 5686801481688.

8861841086865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8861841086865 - 2¹⁸ = 8861840824721 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8861841086865.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22722669259 + ... + 22722669648.

It is an arithmetic number, because the mean of its divisors is an integer number (954352117068).

Almost surely, 2^{8861841086865} is an apocalyptic number.

It is an amenable number.

8861841086865 is a deficient number, since it is larger than the sum of its proper divisors (6407792786223).

8861841086865 is a wasteful number, since it uses less digits than its factorization.

8861841086865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45445338928.

The product of its (nonzero) digits is 141557760, while the sum is 69.

The spelling of 8861841086865 in words is "eight trillion, eight hundred sixty-one billion, eight hundred forty-one million, eighty-six thousand, eight hundred sixty-five".