86544240034221 has 24 divisors (see below), whose sum is σ = 125297944200000. Its totient is φ = 57562509805632.

The previous prime is 86544240034199. The next prime is 86544240034261. The reversal of 86544240034221 is 12243004244568.

86544240034221 is a `hidden beast` number, since 8 + 6 + 5 + 44 + 240 + 0 + 342 + 21 = 666.

It is not a de Polignac number, because 86544240034221 - 2¹⁰ = 86544240033197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86544240034261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105196530 + ... + 106016028.

It is an arithmetic number, because the mean of its divisors is an integer number (5220747675000).

Almost surely, 2^{86544240034221} is an apocalyptic number.

It is an amenable number.

86544240034221 is a deficient number, since it is larger than the sum of its proper divisors (38753704165779).

86544240034221 is a wasteful number, since it uses less digits than its factorization.

86544240034221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846673 (or 846670 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 45.

Adding to 86544240034221 its reverse (12243004244568), we get a palindrome (98787244278789).

The spelling of 86544240034221 in words is "eighty-six trillion, five hundred forty-four billion, two hundred forty million, thirty-four thousand, two hundred twenty-one".