86492717 has 4 divisors (see below), whose sum is σ = 88830396. Its totient is φ = 84155040.

The previous prime is 86492677. The next prime is 86492729. The reversal of 86492717 is 71729468.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76545001 + 9947716 = 8749^2 + 3154^2 .

It is a cyclic number.

It is not a de Polignac number, because 86492717 - 2¹⁰ = 86491693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86492797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1168784 + ... + 1168857.

It is an arithmetic number, because the mean of its divisors is an integer number (22207599).

Almost surely, 2^86492717 is an apocalyptic number.

It is an amenable number.

86492717 is a deficient number, since it is larger than the sum of its proper divisors (2337679).

86492717 is a wasteful number, since it uses less digits than its factorization.

86492717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337678.

The product of its digits is 169344, while the sum is 44.

The square root of 86492717 is about 9300.1460741216. The cubic root of 86492717 is about 442.2418586513.

The spelling of 86492717 in words is "eighty-six million, four hundred ninety-two thousand, seven hundred seventeen".