864110720 has 64 divisors (see below), whose sum is σ = 2253579840. Its totient is φ = 314219520.

The previous prime is 864110719. The next prime is 864110729. The reversal of 864110720 is 27011468.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (864110729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54332 + ... + 68411.

It is an arithmetic number, because the mean of its divisors is an integer number (35212185).

Almost surely, 2^864110720 is an apocalyptic number.

864110720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

864110720 is an abundant number, since it is smaller than the sum of its proper divisors (1389469120).

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

864110720 is a wasteful number, since it uses less digits than its factorization.

864110720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122773 (or 122761 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 864110720 is about 29395.7602385106. The cubic root of 864110720 is about 952.4813139442.

The spelling of 864110720 in words is "eight hundred sixty-four million, one hundred ten thousand, seven hundred twenty".