870530870 has 24 divisors (see below), whose sum is σ = 1722358512. Its totient is φ = 316556240.

The previous prime is 870530839. The next prime is 870530891. The reversal of 870530870 is 78035078.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 358514 + ... + 360933.

It is an arithmetic number, because the mean of its divisors is an integer number (71764938).

Almost surely, 2^870530870 is an apocalyptic number.

870530870 is a deficient number, since it is larger than the sum of its proper divisors (851827642).

870530870 is a wasteful number, since it uses less digits than its factorization.

870530870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719476 (or 719465 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 870530870 is about 29504.7601244274. The cubic root of 870530870 is about 954.8344038231.

The spelling of 870530870 in words is "eight hundred seventy million, five hundred thirty thousand, eight hundred seventy".