863144801 has 4 divisors (see below), whose sum is σ = 881509632. Its totient is φ = 844779972.

The previous prime is 863144783. The next prime is 863144809. The reversal of 863144801 is 108441368.

863144801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 863144801 - 2²⁶ = 796035937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (863144809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9182345 + ... + 9182438.

It is an arithmetic number, because the mean of its divisors is an integer number (220377408).

Almost surely, 2^863144801 is an apocalyptic number.

It is an amenable number.

863144801 is a deficient number, since it is larger than the sum of its proper divisors (18364831).

863144801 is a wasteful number, since it uses less digits than its factorization.

863144801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18364830.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 863144801 is about 29379.3260814471. The cubic root of 863144801 is about 952.1262811939.

The spelling of 863144801 in words is "eight hundred sixty-three million, one hundred forty-four thousand, eight hundred one".