870784312 has 8 divisors (see below), whose sum is σ = 1632720600. Its totient is φ = 435392152.

The previous prime is 870784309. The next prime is 870784331. The reversal of 870784312 is 213487078.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 54424012 + ... + 54424027.

It is an arithmetic number, because the mean of its divisors is an integer number (204090075).

Almost surely, 2^870784312 is an apocalyptic number.

It is an amenable number.

870784312 is a deficient number, since it is larger than the sum of its proper divisors (761936288).

870784312 is a wasteful number, since it uses less digits than its factorization.

870784312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108848045 (or 108848041 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 870784312 is about 29509.0547459589. The cubic root of 870784312 is about 954.9270567351.

The spelling of 870784312 in words is "eight hundred seventy million, seven hundred eighty-four thousand, three hundred twelve".