2870009871 has 8 divisors (see below), whose sum is σ = 3831148464. Its totient is φ = 1911105600.

The previous prime is 2870009861. The next prime is 2870009917. The reversal of 2870009871 is 1789000782.

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

It is not a de Polignac number, because 2870009871 - 2¹⁰ = 2870008847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2870009861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555580 + ... + 560721.

It is an arithmetic number, because the mean of its divisors is an integer number (478893558).

Almost surely, 2^2870009871 is an apocalyptic number.

2870009871 is a deficient number, since it is larger than the sum of its proper divisors (961138593).

2870009871 is a wasteful number, since it uses less digits than its factorization.

2870009871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117161.

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 2870009871 is about 53572.4730715318. The cubic root of 2870009871 is about 1421.1103315726.

The spelling of 2870009871 in words is "two billion, eight hundred seventy million, nine thousand, eight hundred seventy-one".