68051787323039 has 16 divisors (see below), whose sum is σ = 73757691830592. Its totient is φ = 62414048540928.

The previous prime is 68051787323017. The next prime is 68051787323081. The reversal of 68051787323039 is 93032378715086.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68051787323039 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 (68051787323939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15978974 + ... + 19784619.

It is an arithmetic number, because the mean of its divisors is an integer number (4609855739412).

Almost surely, 2^{68051787323039} is an apocalyptic number.

68051787323039 is a deficient number, since it is larger than the sum of its proper divisors (5705904507553).

68051787323039 is a wasteful number, since it uses less digits than its factorization.

68051787323039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35764546.

The product of its (nonzero) digits is 45722880, while the sum is 62.

The spelling of 68051787323039 in words is "sixty-eight trillion, fifty-one billion, seven hundred eighty-seven million, three hundred twenty-three thousand, thirty-nine".