86123718 has 24 divisors (see below), whose sum is σ = 186772248. Its totient is φ = 28681632.

The previous prime is 86123701. The next prime is 86123729. The reversal of 86123718 is 81732168.

86123718 is a `hidden beast` number, since 8 + 612 + 37 + 1 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36346 + ... + 38642.

It is an arithmetic number, because the mean of its divisors is an integer number (7782177).

Almost surely, 2^86123718 is an apocalyptic number.

86123718 is an abundant number, since it is smaller than the sum of its proper divisors (100648530).

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

86123718 is a wasteful number, since it uses less digits than its factorization.

86123718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388 (or 4385 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 86123718 is about 9280.2865257491. The cubic root of 86123718 is about 441.6120583408.

The spelling of 86123718 in words is "eighty-six million, one hundred twenty-three thousand, seven hundred eighteen".