870066210 has 32 divisors (see below), whose sum is σ = 2248787520. Its totient is φ = 214170048.

The previous prime is 870066203. The next prime is 870066229. The reversal of 870066210 is 12660078.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1115080 + ... + 1115859.

It is an arithmetic number, because the mean of its divisors is an integer number (70274610).

Almost surely, 2^870066210 is an apocalyptic number.

870066210 is an abundant number, since it is smaller than the sum of its proper divisors (1378721310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

870066210 is a wasteful number, since it uses less digits than its factorization.

870066210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230962.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 870066210 is about 29496.8847507665. The cubic root of 870066210 is about 954.6644874605.

The spelling of 870066210 in words is "eight hundred seventy million, sixty-six thousand, two hundred ten".