864964170 has 480 divisors, whose sum is σ = 3019230720. Its totient is φ = 176359680.

The previous prime is 864964169. The next prime is 864964223. The reversal of 864964170 is 71469468.

864964170 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 23377392 + ... + 23377428.

It is an arithmetic number, because the mean of its divisors is an integer number (6290064).

Almost surely, 2^864964170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 864964170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1509615360).

864964170 is an abundant number, since it is smaller than the sum of its proper divisors (2154266550).

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

864964170 is a wasteful number, since it uses less digits than its factorization.

864964170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 864964170 is about 29410.2732051234. The cubic root of 864964170 is about 952.7947875471.

The spelling of 864964170 in words is "eight hundred sixty-four million, nine hundred sixty-four thousand, one hundred seventy".