720288863 has 8 divisors (see below), whose sum is σ = 851573280. Its totient is φ = 596100960.

The previous prime is 720288859. The next prime is 720288887. The reversal of 720288863 is 368882027.

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

It is not a de Polignac number, because 720288863 - 2² = 720288859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720288463) 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, 1773908 + ... + 1774313.

It is an arithmetic number, because the mean of its divisors is an integer number (106446660).

Almost surely, 2^720288863 is an apocalyptic number.

720288863 is a deficient number, since it is larger than the sum of its proper divisors (131284417).

720288863 is a wasteful number, since it uses less digits than its factorization.

720288863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548257.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 720288863 is about 26838.1978344299. The cubic root of 720288863 is about 896.4007955095.

The spelling of 720288863 in words is "seven hundred twenty million, two hundred eighty-eight thousand, eight hundred sixty-three".