861468812 has 12 divisors (see below), whose sum is σ = 1596251160. Its totient is φ = 405397056.

The previous prime is 861468791. The next prime is 861468821. The reversal of 861468812 is 218864168.

861468812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6334262 + ... + 6334397.

It is an arithmetic number, because the mean of its divisors is an integer number (133020930).

Almost surely, 2^861468812 is an apocalyptic number.

It is an amenable number.

861468812 is a deficient number, since it is larger than the sum of its proper divisors (734782348).

861468812 is a wasteful number, since it uses less digits than its factorization.

861468812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12668680 (or 12668678 counting only the distinct ones).

The product of its digits is 147456, while the sum is 44.

The square root of 861468812 is about 29350.7889502139. The cubic root of 861468812 is about 951.5096264043.

The spelling of 861468812 in words is "eight hundred sixty-one million, four hundred sixty-eight thousand, eight hundred twelve".