863381126 has 4 divisors (see below), whose sum is σ = 1295071692. Its totient is φ = 431690562.

The previous prime is 863381111. The next prime is 863381131. The reversal of 863381126 is 621183368.

863381126 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 self number, because there is not a number n which added to its sum of digits gives 863381126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215845280 + ... + 215845283.

It is an arithmetic number, because the mean of its divisors is an integer number (323767923).

Almost surely, 2^863381126 is an apocalyptic number.

863381126 is a deficient number, since it is larger than the sum of its proper divisors (431690566).

863381126 is a wasteful number, since it uses less digits than its factorization.

863381126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431690565.

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

The square root of 863381126 is about 29383.3477670602. The cubic root of 863381126 is about 952.2131691686.

The spelling of 863381126 in words is "eight hundred sixty-three million, three hundred eighty-one thousand, one hundred twenty-six".