86399789112 has 576 divisors, whose sum is σ = 309604538880. Its totient is φ = 21190201344.

The previous prime is 86399789057. The next prime is 86399789149. The reversal of 86399789112 is 21198799368.

86399789112 is a `hidden beast` number, since 86 + 399 + 78 + 91 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 86399789112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 195033163 + ... + 195033605.

It is an arithmetic number, because the mean of its divisors is an integer number (537507880).

Almost surely, 2^86399789112 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 86399789112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154802269440).

86399789112 is an abundant number, since it is smaller than the sum of its proper divisors (223204749768).

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

86399789112 is a wasteful number, since it uses less digits than its factorization.

86399789112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 588 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 63.

The spelling of 86399789112 in words is "eighty-six billion, three hundred ninety-nine million, seven hundred eighty-nine thousand, one hundred twelve".