86531365 has 8 divisors (see below), whose sum is σ = 103963680. Its totient is φ = 69141072.

The previous prime is 86531363. The next prime is 86531399. The reversal of 86531365 is 56313568.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86531365 - 2¹ = 86531363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86531363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5779 + ... + 14368.

It is an arithmetic number, because the mean of its divisors is an integer number (12995460).

Almost surely, 2^86531365 is an apocalyptic number.

It is an amenable number.

86531365 is a deficient number, since it is larger than the sum of its proper divisors (17432315).

86531365 is a wasteful number, since it uses less digits than its factorization.

86531365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21011.

The product of its digits is 64800, while the sum is 37.

The square root of 86531365 is about 9302.2236588893. The cubic root of 86531365 is about 442.3077186021.

The spelling of 86531365 in words is "eighty-six million, five hundred thirty-one thousand, three hundred sixty-five".