68284957708 has 12 divisors (see below), whose sum is σ = 130362192072. Its totient is φ = 31038617120.

The previous prime is 68284957681. The next prime is 68284957711. The reversal of 68284957708 is 80775948286.

It is a super-2 number, since 2×68284957708² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68284957708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775965385 + ... + 775965472.

It is an arithmetic number, because the mean of its divisors is an integer number (10863516006).

Almost surely, 2^68284957708 is an apocalyptic number.

It is an amenable number.

68284957708 is a deficient number, since it is larger than the sum of its proper divisors (62077234364).

68284957708 is a wasteful number, since it uses less digits than its factorization.

68284957708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551930872 (or 1551930870 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 64.

The spelling of 68284957708 in words is "sixty-eight billion, two hundred eighty-four million, nine hundred fifty-seven thousand, seven hundred eight".