68583677728 has 48 divisors (see below), whose sum is σ = 144440705304. Its totient is φ = 31941918720.

The previous prime is 68583677719. The next prime is 68583677741. The reversal of 68583677728 is 82777638586.

It can be written as a sum of positive squares in 4 ways, for example, as 67718611984 + 865065744 = 260228^2 + 29412^2 .

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, 597093 + ... + 702628.

Almost surely, 2^68583677728 is an apocalyptic number.

68583677728 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

68583677728 is an abundant number, since it is smaller than the sum of its proper divisors (75857027576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68583677728 is a wasteful number, since it uses less digits than its factorization.

68583677728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299845 (or 1299837 counting only the distinct ones).

The product of its digits is 189665280, while the sum is 67.

The spelling of 68583677728 in words is "sixty-eight billion, five hundred eighty-three million, six hundred seventy-seven thousand, seven hundred twenty-eight".