68707781582 has 16 divisors (see below), whose sum is σ = 112470370992. Its totient is φ = 31219849920.

The previous prime is 68707781533. The next prime is 68707781617. The reversal of 68707781582 is 28518770786.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483713 + ... + 609420.

It is an arithmetic number, because the mean of its divisors is an integer number (7029398187).

Almost surely, 2^68707781582 is an apocalyptic number.

68707781582 is a deficient number, since it is larger than the sum of its proper divisors (43762589410).

68707781582 is a wasteful number, since it uses less digits than its factorization.

68707781582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096003.

The product of its (nonzero) digits is 10536960, while the sum is 59.

The spelling of 68707781582 in words is "sixty-eight billion, seven hundred seven million, seven hundred eighty-one thousand, five hundred eighty-two".