68520085079 has 8 divisors (see below), whose sum is σ = 69664603008. Its totient is φ = 67379150520.

The previous prime is 68520085061. The next prime is 68520085099. The reversal of 68520085079 is 97058002586.

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 68520085079 - 2¹⁶ = 68520019543 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 (68520085099) 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, 857267 + ... + 933780.

It is an arithmetic number, because the mean of its divisors is an integer number (8708075376).

Almost surely, 2^68520085079 is an apocalyptic number.

68520085079 is a deficient number, since it is larger than the sum of its proper divisors (1144517929).

68520085079 is a wasteful number, since it uses less digits than its factorization.

68520085079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791685.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 68520085079 in words is "sixty-eight billion, five hundred twenty million, eighty-five thousand, seventy-nine".