863054812 has 12 divisors (see below), whose sum is σ = 1516667040. Its totient is φ = 429721376.

The previous prime is 863054807. The next prime is 863054813. The reversal of 863054812 is 218450368.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863054813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450433 + ... + 452344.

It is an arithmetic number, because the mean of its divisors is an integer number (126388920).

Almost surely, 2^863054812 is an apocalyptic number.

It is an amenable number.

863054812 is a deficient number, since it is larger than the sum of its proper divisors (653612228).

863054812 is a wasteful number, since it uses less digits than its factorization.

863054812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903020 (or 903018 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 863054812 is about 29377.7945394136. The cubic root of 863054812 is about 952.0931913927.

The spelling of 863054812 in words is "eight hundred sixty-three million, fifty-four thousand, eight hundred twelve".