2870009867 has 4 divisors (see below), whose sum is σ = 2890657560. Its totient is φ = 2849362176.

The previous prime is 2870009861. The next prime is 2870009917. The reversal of 2870009867 is 7689000782.

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 2870009867 - 2¹⁸ = 2869747723 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10323638 + ... + 10323915.

It is an arithmetic number, because the mean of its divisors is an integer number (722664390).

Almost surely, 2^2870009867 is an apocalyptic number.

2870009867 is a deficient number, since it is larger than the sum of its proper divisors (20647693).

2870009867 is a wasteful number, since it uses less digits than its factorization.

2870009867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20647692.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 2870009867 is about 53572.4730341992. The cubic root of 2870009867 is about 1421.1103309124.

The spelling of 2870009867 in words is "two billion, eight hundred seventy million, nine thousand, eight hundred sixty-seven".