68798289 has 8 divisors (see below), whose sum is σ = 104835520. Its totient is φ = 39313296.

The previous prime is 68798239. The next prime is 68798311. The reversal of 68798289 is 98289786.

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

It is not a de Polignac number, because 68798289 - 2⁹ = 68797777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68798209) 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, 1638034 + ... + 1638075.

It is an arithmetic number, because the mean of its divisors is an integer number (13104440).

Almost surely, 2^68798289 is an apocalyptic number.

It is an amenable number.

68798289 is a deficient number, since it is larger than the sum of its proper divisors (36037231).

68798289 is a wasteful number, since it uses less digits than its factorization.

68798289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276119.

The product of its digits is 3483648, while the sum is 57.

The square root of 68798289 is about 8294.4734010062. The cubic root of 68798289 is about 409.7565260769.

The spelling of 68798289 in words is "sixty-eight million, seven hundred ninety-eight thousand, two hundred eighty-nine".