68780359711 has 32 divisors (see below), whose sum is σ = 82860965888. Its totient is φ = 55854580320.

The previous prime is 68780359699. The next prime is 68780359771. The reversal of 68780359711 is 11795308786.

It is a happy number.

It is not a de Polignac number, because 68780359711 - 2²⁹ = 68243488799 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 (68780359771) 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 31 ways as a sum of consecutive naturals, for example, 2355346 + ... + 2384368.

It is an arithmetic number, because the mean of its divisors is an integer number (2589405184).

Almost surely, 2^68780359711 is an apocalyptic number.

68780359711 is a deficient number, since it is larger than the sum of its proper divisors (14080606177).

68780359711 is a wasteful number, since it uses less digits than its factorization.

68780359711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29291.

The product of its (nonzero) digits is 2540160, while the sum is 55.

The spelling of 68780359711 in words is "sixty-eight billion, seven hundred eighty million, three hundred fifty-nine thousand, seven hundred eleven".