68228089 has 8 divisors (see below), whose sum is σ = 73260288. Its totient is φ = 63309120.

The previous prime is 68228081. The next prime is 68228093. The reversal of 68228089 is 98082286.

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 68228089 - 2³ = 68228081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68228081) 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, 27057 + ... + 29470.

It is an arithmetic number, because the mean of its divisors is an integer number (9157536).

Almost surely, 2^68228089 is an apocalyptic number.

It is an amenable number.

68228089 is a deficient number, since it is larger than the sum of its proper divisors (5032199).

68228089 is a wasteful number, since it uses less digits than its factorization.

68228089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56615.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 68228089 is about 8260.0296004312. The cubic root of 68228089 is about 408.6213639427.

The spelling of 68228089 in words is "sixty-eight million, two hundred twenty-eight thousand, eighty-nine".