86142238208 has 80 divisors (see below), whose sum is σ = 186382612416. Its totient is φ = 39537745920.

The previous prime is 86142238081. The next prime is 86142238219. The reversal of 86142238208 is 80283224168.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168985 + ... + 1240487.

Almost surely, 2^86142238208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86142238208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93191306208).

86142238208 is an abundant number, since it is smaller than the sum of its proper divisors (100240374208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86142238208 is a wasteful number, since it uses less digits than its factorization.

86142238208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71715 (or 71699 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The spelling of 86142238208 in words is "eighty-six billion, one hundred forty-two million, two hundred thirty-eight thousand, two hundred eight".