86173068 has 48 divisors (see below), whose sum is σ = 213663744. Its totient is φ = 26937600.

The previous prime is 86173067. The next prime is 86173091. The reversal of 86173068 is 86037168.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (86173063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74293 + ... + 75443.

It is an arithmetic number, because the mean of its divisors is an integer number (4451328).

Almost surely, 2^86173068 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 86173068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106831872).

86173068 is an abundant number, since it is smaller than the sum of its proper divisors (127490676).

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

86173068 is a wasteful number, since it uses less digits than its factorization.

86173068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542 (or 1540 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 86173068 is about 9282.9450068392. The cubic root of 86173068 is about 441.6963920344.

The spelling of 86173068 in words is "eighty-six million, one hundred seventy-three thousand, sixty-eight".