864010720 has 48 divisors (see below), whose sum is σ = 2161304208. Its totient is φ = 325273600.

The previous prime is 864010711. The next prime is 864010733. The reversal of 864010720 is 27010468.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 156106 + ... + 161545.

It is an arithmetic number, because the mean of its divisors is an integer number (45027171).

Almost surely, 2^864010720 is an apocalyptic number.

864010720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

864010720 is an abundant number, since it is smaller than the sum of its proper divisors (1297293488).

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

864010720 is a wasteful number, since it uses less digits than its factorization.

864010720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317683 (or 317675 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 864010720 is about 29394.0592637356. The cubic root of 864010720 is about 952.4445702709. Note that the first 3 decimals are identical.

The spelling of 864010720 in words is "eight hundred sixty-four million, ten thousand, seven hundred twenty".