863126867 has 4 divisors (see below), whose sum is σ = 866929416. Its totient is φ = 859324320.

The previous prime is 863126863. The next prime is 863126921. The reversal of 863126867 is 768621368.

863126867 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.

It is a cyclic number.

It is not a de Polignac number, because 863126867 - 2² = 863126863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (863126863) 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, 1900934 + ... + 1901387.

It is an arithmetic number, because the mean of its divisors is an integer number (216732354).

Almost surely, 2^863126867 is an apocalyptic number.

863126867 is a deficient number, since it is larger than the sum of its proper divisors (3802549).

863126867 is a wasteful number, since it uses less digits than its factorization.

863126867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802548.

The product of its digits is 580608, while the sum is 47.

The square root of 863126867 is about 29379.0208652365. The cubic root of 863126867 is about 952.1196868770.

The spelling of 863126867 in words is "eight hundred sixty-three million, one hundred twenty-six thousand, eight hundred sixty-seven".