864727360 has 56 divisors (see below), whose sum is σ = 2353299840. Its totient is φ = 296477184.

The previous prime is 864727349. The next prime is 864727403. The reversal of 864727360 is 63727468.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190780 + ... + 195259.

Almost surely, 2^864727360 is an apocalyptic number.

864727360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

864727360 is an abundant number, since it is smaller than the sum of its proper divisors (1488572480).

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

864727360 is a wasteful number, since it uses less digits than its factorization.

864727360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386063 (or 386053 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 864727360 is about 29406.2469553665. The cubic root of 864727360 is about 952.7078275181.

The spelling of 864727360 in words is "eight hundred sixty-four million, seven hundred twenty-seven thousand, three hundred sixty".