859448406109197 has 16 divisors (see below), whose sum is σ = 1162243916129088. Its totient is φ = 564857944732800.

The previous prime is 859448406109187. The next prime is 859448406109199. The reversal of 859448406109197 is 791901604844958.

It is not a de Polignac number, because 859448406109197 - 2¹¹ = 859448406107149 is a prime.

It is a super-2 number, since 2×859448406109197² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859448406109199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6086760703 + ... + 6086901900.

It is an arithmetic number, because the mean of its divisors is an integer number (72640244758068).

Almost surely, 2^{859448406109197} is an apocalyptic number.

It is an amenable number.

859448406109197 is a deficient number, since it is larger than the sum of its proper divisors (302795510019891).

859448406109197 is a wasteful number, since it uses less digits than its factorization.

859448406109197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12173662940.

The product of its (nonzero) digits is 627056640, while the sum is 75.

The spelling of 859448406109197 in words is "eight hundred fifty-nine trillion, four hundred forty-eight billion, four hundred six million, one hundred nine thousand, one hundred ninety-seven".