86364247 has 4 divisors (see below), whose sum is σ = 86393520. Its totient is φ = 86334976.

The previous prime is 86364221. The next prime is 86364251. The reversal of 86364247 is 74246368.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 86364247 - 2⁷ = 86364119 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86364347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9643 + ... + 16300.

It is an arithmetic number, because the mean of its divisors is an integer number (21598380).

Almost surely, 2^86364247 is an apocalyptic number.

86364247 is a deficient number, since it is larger than the sum of its proper divisors (29273).

86364247 is a wasteful number, since it uses less digits than its factorization.

86364247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29272.

The product of its digits is 193536, while the sum is 40.

The square root of 86364247 is about 9293.2366267087. The cubic root of 86364247 is about 442.0227921745.

The spelling of 86364247 in words is "eighty-six million, three hundred sixty-four thousand, two hundred forty-seven".