68025879217 has 8 divisors (see below), whose sum is σ = 70420141440. Its totient is φ = 65634853200.

The previous prime is 68025879199. The next prime is 68025879221. The reversal of 68025879217 is 71297852086.

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

It is a de Polignac number, because none of the positive numbers 2^k-68025879217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68025879017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766233 + ... + 850390.

It is an arithmetic number, because the mean of its divisors is an integer number (8802517680).

Almost surely, 2^68025879217 is an apocalyptic number.

It is an amenable number.

68025879217 is a deficient number, since it is larger than the sum of its proper divisors (2394262223).

68025879217 is a wasteful number, since it uses less digits than its factorization.

68025879217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618103.

The product of its (nonzero) digits is 3386880, while the sum is 55.

The spelling of 68025879217 in words is "sixty-eight billion, twenty-five million, eight hundred seventy-nine thousand, two hundred seventeen".