863442911 has 8 divisors (see below), whose sum is σ = 870731424. Its totient is φ = 856168960.

The previous prime is 863442893. The next prime is 863442913. The reversal of 863442911 is 119244368.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 863442911 - 2⁶ = 863442847 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 (863442913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138191 + ... + 144303.

It is an arithmetic number, because the mean of its divisors is an integer number (108841428).

Almost surely, 2^863442911 is an apocalyptic number.

863442911 is a deficient number, since it is larger than the sum of its proper divisors (7288513).

863442911 is a wasteful number, since it uses less digits than its factorization.

863442911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7281.

The product of its digits is 41472, while the sum is 38.

The square root of 863442911 is about 29384.3991090510. The cubic root of 863442911 is about 952.2358826168.

The spelling of 863442911 in words is "eight hundred sixty-three million, four hundred forty-two thousand, nine hundred eleven".