863286399 has 6 divisors (see below), whose sum is σ = 1246969256. Its totient is φ = 575524260.

The previous prime is 863286397. The next prime is 863286409. The reversal of 863286399 is 993682368.

It is not a de Polignac number, because 863286399 - 2¹ = 863286397 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 (863286397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47960347 + ... + 47960364.

Almost surely, 2^863286399 is an apocalyptic number.

863286399 is a deficient number, since it is larger than the sum of its proper divisors (383682857).

863286399 is a wasteful number, since it uses less digits than its factorization.

863286399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95920717 (or 95920714 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 863286399 is about 29381.7358064496. The cubic root of 863286399 is about 952.1783434533.

The spelling of 863286399 in words is "eight hundred sixty-three million, two hundred eighty-six thousand, three hundred ninety-nine".