864795212 has 24 divisors (see below), whose sum is σ = 1523794272. Its totient is φ = 429436800.

The previous prime is 864795199. The next prime is 864795227. The reversal of 864795212 is 212597468.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388262 + ... + 390482.

It is an arithmetic number, because the mean of its divisors is an integer number (63491428).

Almost surely, 2^864795212 is an apocalyptic number.

It is an amenable number.

864795212 is a deficient number, since it is larger than the sum of its proper divisors (658999060).

864795212 is a wasteful number, since it uses less digits than its factorization.

864795212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849 (or 2847 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 864795212 is about 29407.4006331740. The cubic root of 864795212 is about 952.7327453684.

The spelling of 864795212 in words is "eight hundred sixty-four million, seven hundred ninety-five thousand, two hundred twelve".