2870009872 has 20 divisors (see below), whose sum is σ = 5561764560.
Its totient is φ = 1434715808.
The previous prime is 2870009861. The next prime is 2870009917. The reversal of 2870009872 is 2789000782.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79923 + ... + 110125.
It is an arithmetic number, because the mean of its divisors is an integer number (278088228).
Almost surely, 22870009872 is an apocalyptic number.
It is an amenable number.
2870009872 is a deficient number, since it is larger than the sum of its proper divisors (2691754688).
2870009872 is a wasteful number, since it uses less digits than its factorization.
2870009872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36150 (or 36144 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 43.
The square root of 2870009872 is about 53572.4730808650.
The cubic root of 2870009872 is about 1421.1103317376.
The spelling of 2870009872 in words is "two billion, eight hundred seventy million, nine thousand, eight hundred seventy-two".