65228647 has 8 divisors (see below), whose sum is σ = 71227152. Its totient is φ = 59241600.

The previous prime is 65228593. The next prime is 65228651. The reversal of 65228647 is 74682256.

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

It is not a de Polignac number, because 65228647 - 2¹¹ = 65226599 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 (65228147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12793 + ... + 17149.

It is an arithmetic number, because the mean of its divisors is an integer number (8903394).

Almost surely, 2^65228647 is an apocalyptic number.

65228647 is a deficient number, since it is larger than the sum of its proper divisors (5998505).

65228647 is a wasteful number, since it uses less digits than its factorization.

65228647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729.

The product of its digits is 161280, while the sum is 40.

The square root of 65228647 is about 8076.4253850327. The cubic root of 65228647 is about 402.5434738223.

The spelling of 65228647 in words is "sixty-five million, two hundred twenty-eight thousand, six hundred forty-seven".