870837271 has 4 divisors (see below), whose sum is σ = 871295832. Its totient is φ = 870378712.

The previous prime is 870837269. The next prime is 870837277. The reversal of 870837271 is 172738078.

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

It is a cyclic number.

It is not a de Polignac number, because 870837271 - 2¹ = 870837269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870837277) 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, 226420 + ... + 230233.

It is an arithmetic number, because the mean of its divisors is an integer number (217823958).

Almost surely, 2^870837271 is an apocalyptic number.

870837271 is a deficient number, since it is larger than the sum of its proper divisors (458561).

870837271 is a wasteful number, since it uses less digits than its factorization.

870837271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458560.

The product of its (nonzero) digits is 131712, while the sum is 43.

The square root of 870837271 is about 29509.9520670570. The cubic root of 870837271 is about 954.9464151289.

The spelling of 870837271 in words is "eight hundred seventy million, eight hundred thirty-seven thousand, two hundred seventy-one".