63288665 has 8 divisors (see below), whose sum is σ = 82850688. Its totient is φ = 46028080.

The previous prime is 63288661. The next prime is 63288679. The reversal of 63288665 is 56688236.

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

It is not a de Polignac number, because 63288665 - 2² = 63288661 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63288661) 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, 575297 + ... + 575406.

It is an arithmetic number, because the mean of its divisors is an integer number (10356336).

Almost surely, 2^63288665 is an apocalyptic number.

It is an amenable number.

63288665 is a deficient number, since it is larger than the sum of its proper divisors (19562023).

63288665 is a wasteful number, since it uses less digits than its factorization.

63288665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150719.

The product of its digits is 414720, while the sum is 44.

The square root of 63288665 is about 7955.4173366329. The cubic root of 63288665 is about 398.5125275038.

The spelling of 63288665 in words is "sixty-three million, two hundred eighty-eight thousand, six hundred sixty-five".