86284813 has 4 divisors (see below), whose sum is σ = 86419648. Its totient is φ = 86149980.

The previous prime is 86284801. The next prime is 86284819. The reversal of 86284813 is 31848268.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86284813 - 2¹³ = 86276621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86284819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66453 + ... + 67738.

It is an arithmetic number, because the mean of its divisors is an integer number (21604912).

Almost surely, 2^86284813 is an apocalyptic number.

It is an amenable number.

86284813 is a deficient number, since it is larger than the sum of its proper divisors (134835).

86284813 is a wasteful number, since it uses less digits than its factorization.

86284813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134834.

The product of its digits is 73728, while the sum is 40.

The square root of 86284813 is about 9288.9618903298. The cubic root of 86284813 is about 441.8872329591.

The spelling of 86284813 in words is "eighty-six million, two hundred eighty-four thousand, eight hundred thirteen".