86539673 has 16 divisors (see below), whose sum is σ = 100953216. Its totient is φ = 73309440.

The previous prime is 86539667. The next prime is 86539703. The reversal of 86539673 is 37693568.

It is not a de Polignac number, because 86539673 - 2¹⁰ = 86538649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86539613) 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, 17015 + ... + 21507.

It is an arithmetic number, because the mean of its divisors is an integer number (6309576).

Almost surely, 2^86539673 is an apocalyptic number.

It is an amenable number.

86539673 is a deficient number, since it is larger than the sum of its proper divisors (14413543).

86539673 is a wasteful number, since it uses less digits than its factorization.

86539673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624.

The product of its digits is 816480, while the sum is 47.

The square root of 86539673 is about 9302.6702080639. The cubic root of 86539673 is about 442.3218736811.

The spelling of 86539673 in words is "eighty-six million, five hundred thirty-nine thousand, six hundred seventy-three".