86173713 has 10 divisors (see below), whose sum is σ = 128728754. Its totient is φ = 57449088.

The previous prime is 86173673. The next prime is 86173729. The reversal of 86173713 is 31737168.

86173713 is a `hidden beast` number, since 8 + 617 + 37 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 83777409 + 2396304 = 9153^2 + 1548^2 .

It is not a de Polignac number, because 86173713 - 2⁶ = 86173649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86173313) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 531856 + ... + 532017.

Almost surely, 2^86173713 is an apocalyptic number.

It is an amenable number.

86173713 is a deficient number, since it is larger than the sum of its proper divisors (42555041).

86173713 is a wasteful number, since it uses less digits than its factorization.

86173713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063885 (or 1063876 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 86173713 is about 9282.9797479042. The cubic root of 86173713 is about 441.6974940549.

The spelling of 86173713 in words is "eighty-six million, one hundred seventy-three thousand, seven hundred thirteen".