870034205 has 4 divisors (see below), whose sum is σ = 1044041052. Its totient is φ = 696027360.

The previous prime is 870034181. The next prime is 870034219. The reversal of 870034205 is 502430078.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 554225764 + 315808441 = 23542^2 + 17771^2 .

It is not a de Polignac number, because 870034205 - 2¹⁰ = 870033181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 87003416 + ... + 87003425.

It is an arithmetic number, because the mean of its divisors is an integer number (261010263).

Almost surely, 2^870034205 is an apocalyptic number.

It is an amenable number.

870034205 is a deficient number, since it is larger than the sum of its proper divisors (174006847).

870034205 is a wasteful number, since it uses less digits than its factorization.

870034205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174006846.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 870034205 is about 29496.3422308597. The cubic root of 870034205 is about 954.6527816803.

The spelling of 870034205 in words is "eight hundred seventy million, thirty-four thousand, two hundred five".