68537280758 has 8 divisors (see below), whose sum is σ = 102807061752. Its totient is φ = 34268260176.

The previous prime is 68537280731. The next prime is 68537280781. The reversal of 68537280758 is 85708273586.

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

It is a junction number, because it is equal to n+sod(n) for n = 68537280697 and 68537280706.

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, 177041 + ... + 410387.

It is an arithmetic number, because the mean of its divisors is an integer number (12850882719).

Almost surely, 2^68537280758 is an apocalyptic number.

68537280758 is a deficient number, since it is larger than the sum of its proper divisors (34269780994).

68537280758 is a wasteful number, since it uses less digits than its factorization.

68537280758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380206.

The product of its (nonzero) digits is 22579200, while the sum is 59.

The spelling of 68537280758 in words is "sixty-eight billion, five hundred thirty-seven million, two hundred eighty thousand, seven hundred fifty-eight".