68083061979 has 8 divisors (see below), whose sum is σ = 91051669312. Its totient is φ = 45251581320.

The previous prime is 68083061953. The next prime is 68083061987. The reversal of 68083061979 is 97916038086.

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

It is not a de Polignac number, because 68083061979 - 2¹¹ = 68083059931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68083061999) 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, 34280509 + ... + 34282494.

It is an arithmetic number, because the mean of its divisors is an integer number (11381458664).

Almost surely, 2^68083061979 is an apocalyptic number.

68083061979 is a deficient number, since it is larger than the sum of its proper divisors (22968607333).

68083061979 is a wasteful number, since it uses less digits than its factorization.

68083061979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68563337.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 68083061979 in words is "sixty-eight billion, eighty-three million, sixty-one thousand, nine hundred seventy-nine".