864877170 has 32 divisors (see below), whose sum is σ = 2087716032. Its totient is φ = 229299392.

The previous prime is 864877157. The next prime is 864877243. The reversal of 864877170 is 71778468.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78132 + ... + 88511.

It is an arithmetic number, because the mean of its divisors is an integer number (65241126).

Almost surely, 2^864877170 is an apocalyptic number.

864877170 is an abundant number, since it is smaller than the sum of its proper divisors (1222838862).

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

864877170 is a wasteful number, since it uses less digits than its factorization.

864877170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166826.

The product of its (nonzero) digits is 526848, while the sum is 48.

The square root of 864877170 is about 29408.7940929240. The cubic root of 864877170 is about 952.7628417437.

The spelling of 864877170 in words is "eight hundred sixty-four million, eight hundred seventy-seven thousand, one hundred seventy".