8705047870 has 8 divisors (see below), whose sum is σ = 15669086184. Its totient is φ = 3482019144.

The previous prime is 8705047867. The next prime is 8705047877. The reversal of 8705047870 is 787405078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8705047870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8705047877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435252384 + ... + 435252403.

It is an arithmetic number, because the mean of its divisors is an integer number (1958635773).

Almost surely, 2^8705047870 is an apocalyptic number.

8705047870 is a deficient number, since it is larger than the sum of its proper divisors (6964038314).

8705047870 is a wasteful number, since it uses less digits than its factorization.

8705047870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870504794.

The product of its (nonzero) digits is 439040, while the sum is 46.

The square root of 8705047870 is about 93300.8460304621. The cubic root of 8705047870 is about 2057.1078172791.

The spelling of 8705047870 in words is "eight billion, seven hundred five million, forty-seven thousand, eight hundred seventy".