86564265 has 16 divisors (see below), whose sum is σ = 140455296. Its totient is φ = 45516800.

The previous prime is 86564251. The next prime is 86564267. The reversal of 86564265 is 56246568.

It is not a de Polignac number, because 86564265 - 2¹⁰ = 86563241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86564267) 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, 39576 + ... + 41705.

It is an arithmetic number, because the mean of its divisors is an integer number (8778456).

Almost surely, 2^86564265 is an apocalyptic number.

It is an amenable number.

86564265 is a deficient number, since it is larger than the sum of its proper divisors (53891031).

86564265 is a wasteful number, since it uses less digits than its factorization.

86564265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81360.

The product of its digits is 345600, while the sum is 42.

The square root of 86564265 is about 9303.9918852071. The cubic root of 86564265 is about 442.3637679513.

It can be divided in two parts, 8656 and 4265, that added together give a palindrome (12921).

The spelling of 86564265 in words is "eighty-six million, five hundred sixty-four thousand, two hundred sixty-five".