68801289 has 4 divisors (see below), whose sum is σ = 91735056. Its totient is φ = 45867524.

The previous prime is 68801267. The next prime is 68801347. The reversal of 68801289 is 98210886.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68801289 - 2⁹ = 68800777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68801289.

It is not an unprimeable number, because it can be changed into a prime (68806289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11466879 + ... + 11466884.

It is an arithmetic number, because the mean of its divisors is an integer number (22933764).

Almost surely, 2^68801289 is an apocalyptic number.

It is an amenable number.

68801289 is a deficient number, since it is larger than the sum of its proper divisors (22933767).

68801289 is a wasteful number, since it uses less digits than its factorization.

68801289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22933766.

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 68801289 is about 8294.6542423419. The cubic root of 68801289 is about 409.7624819019.

The spelling of 68801289 in words is "sixty-eight million, eight hundred one thousand, two hundred eighty-nine".