86640629335144 has 8 divisors (see below), whose sum is σ = 162451180003410. Its totient is φ = 43320314667568.

The previous prime is 86640629335121. The next prime is 86640629335199. The reversal of 86640629335144 is 44153392604668.

86640629335144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 44453396006244 + 42187233328900 = 6667338^2 + 6495170^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5415039333439 + ... + 5415039333454.

Almost surely, 2^{86640629335144} is an apocalyptic number.

It is an amenable number.

86640629335144 is a deficient number, since it is larger than the sum of its proper divisors (75810550668266).

86640629335144 is a wasteful number, since it uses less digits than its factorization.

86640629335144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10830078666899 (or 10830078666895 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 61.

The spelling of 86640629335144 in words is "eighty-six trillion, six hundred forty billion, six hundred twenty-nine million, three hundred thirty-five thousand, one hundred forty-four".