863734443 has 16 divisors (see below), whose sum is σ = 1352983296. Its totient is φ = 483207840.

The previous prime is 863734439. The next prime is 863734451. The reversal of 863734443 is 344437368.

It is not a de Polignac number, because 863734443 - 2² = 863734439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 863734395 and 863734404.

It is not an unprimeable number, because it can be changed into a prime (863736443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006255 + ... + 1007112.

It is an arithmetic number, because the mean of its divisors is an integer number (84561456).

Almost surely, 2^863734443 is an apocalyptic number.

863734443 is a deficient number, since it is larger than the sum of its proper divisors (489248853).

863734443 is a wasteful number, since it uses less digits than its factorization.

863734443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013394.

The product of its digits is 580608, while the sum is 42.

The square root of 863734443 is about 29389.3593499416. The cubic root of 863734443 is about 952.3430412140.

The spelling of 863734443 in words is "eight hundred sixty-three million, seven hundred thirty-four thousand, four hundred forty-three".