86142183621 has 16 divisors (see below), whose sum is σ = 123706825536. Its totient is φ = 53003938176.

The previous prime is 86142183619. The next prime is 86142183623. The reversal of 86142183621 is 12638124168.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (86142183619) and next prime (86142183623).

It is not a de Polignac number, because 86142183621 - 2¹ = 86142183619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86142183623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186946 + ... + 455228.

It is an arithmetic number, because the mean of its divisors is an integer number (7731676596).

Almost surely, 2^86142183621 is an apocalyptic number.

It is an amenable number.

86142183621 is a deficient number, since it is larger than the sum of its proper divisors (37564641915).

86142183621 is a wasteful number, since it uses less digits than its factorization.

86142183621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276532.

The product of its digits is 110592, while the sum is 42.

The spelling of 86142183621 in words is "eighty-six billion, one hundred forty-two million, one hundred eighty-three thousand, six hundred twenty-one".