86563193 has 4 divisors (see below), whose sum is σ = 86581860. Its totient is φ = 86544528.

The previous prime is 86563187. The next prime is 86563241. The reversal of 86563193 is 39136568.

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 41512249 + 45050944 = 6443^2 + 6712^2 .

It is a cyclic number.

It is not a de Polignac number, because 86563193 - 2⁸ = 86562937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86563193.

It is not an unprimeable number, because it can be changed into a prime (86563153) 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, 3563 + ... + 13631.

It is an arithmetic number, because the mean of its divisors is an integer number (21645465).

Almost surely, 2^86563193 is an apocalyptic number.

It is an amenable number.

86563193 is a deficient number, since it is larger than the sum of its proper divisors (18667).

86563193 is a wasteful number, since it uses less digits than its factorization.

86563193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18666.

The product of its digits is 116640, while the sum is 41.

The square root of 86563193 is about 9303.9342753483. The cubic root of 86563193 is about 442.3619418863.

The spelling of 86563193 in words is "eighty-six million, five hundred sixty-three thousand, one hundred ninety-three".