288072865 has 8 divisors (see below), whose sum is σ = 350847360. Its totient is φ = 227018352.

The previous prime is 288072839. The next prime is 288072881. The reversal of 288072865 is 568270882.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 288072865 - 2⁵ = 288072833 is a prime.

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, 429625 + ... + 430294.

It is an arithmetic number, because the mean of its divisors is an integer number (43855920).

Almost surely, 2^288072865 is an apocalyptic number.

It is an amenable number.

288072865 is a deficient number, since it is larger than the sum of its proper divisors (62774495).

288072865 is an equidigital number, since it uses as much as digits as its factorization.

288072865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859991.

The product of its (nonzero) digits is 430080, while the sum is 46.

The square root of 288072865 is about 16972.7094183575. The cubic root of 288072865 is about 660.4411383533.

The spelling of 288072865 in words is "two hundred eighty-eight million, seventy-two thousand, eight hundred sixty-five".