870028105 has 16 divisors (see below), whose sum is σ = 1059932160. Its totient is φ = 685504512.

The previous prime is 870028087. The next prime is 870028127. The reversal of 870028105 is 501820078.

It is a cyclic number.

It is not a de Polignac number, because 870028105 - 2¹¹ = 870026057 is a prime.

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 in 15 ways as a sum of consecutive naturals, for example, 83337 + ... + 93193.

It is an arithmetic number, because the mean of its divisors is an integer number (66245760).

Almost surely, 2^870028105 is an apocalyptic number.

It is an amenable number.

870028105 is a deficient number, since it is larger than the sum of its proper divisors (189904055).

870028105 is a wasteful number, since it uses less digits than its factorization.

870028105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10128.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 870028105 is about 29496.2388280269. The cubic root of 870028105 is about 954.6505505819.

The spelling of 870028105 in words is "eight hundred seventy million, twenty-eight thousand, one hundred five".