863917368 has 32 divisors (see below), whose sum is σ = 2163110400. Its totient is φ = 287530208.

The previous prime is 863917367. The next prime is 863917381. The reversal of 863917368 is 863719368.

It is a self number, because there is not a number n which added to its sum of digits gives 863917368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863917367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11496 + ... + 43127.

It is an arithmetic number, because the mean of its divisors is an integer number (67597200).

Almost surely, 2^863917368 is an apocalyptic number.

It is an amenable number.

863917368 is an abundant number, since it is smaller than the sum of its proper divisors (1299193032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

863917368 is a wasteful number, since it uses less digits than its factorization.

863917368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55291 (or 55287 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 863917368 is about 29392.4712809250. The cubic root of 863917368 is about 952.4102667583.

The spelling of 863917368 in words is "eight hundred sixty-three million, nine hundred seventeen thousand, three hundred sixty-eight".