68479011758 has 8 divisors (see below), whose sum is σ = 102956844960. Its totient is φ = 34160063440.

The previous prime is 68479011719. The next prime is 68479011781. The reversal of 68479011758 is 85711097486.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39720143 + ... + 39721866.

It is an arithmetic number, because the mean of its divisors is an integer number (12869605620).

Almost surely, 2^68479011758 is an apocalyptic number.

68479011758 is a deficient number, since it is larger than the sum of its proper divisors (34477833202).

68479011758 is a wasteful number, since it uses less digits than its factorization.

68479011758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79442442.

The product of its (nonzero) digits is 3386880, while the sum is 56.

The spelling of 68479011758 in words is "sixty-eight billion, four hundred seventy-nine million, eleven thousand, seven hundred fifty-eight".