68284957772 has 12 divisors (see below), whose sum is σ = 119512922256. Its totient is φ = 34138408560.

The previous prime is 68284957751. The next prime is 68284957817. The reversal of 68284957772 is 27775948286.

68284957772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 68284957699 and 68284957708.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979679 + ... + 1047062.

It is an arithmetic number, because the mean of its divisors is an integer number (9959410188).

Almost surely, 2^68284957772 is an apocalyptic number.

It is an amenable number.

68284957772 is a deficient number, since it is larger than the sum of its proper divisors (51227964484).

68284957772 is a wasteful number, since it uses less digits than its factorization.

68284957772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035168 (or 2035166 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 65.

The spelling of 68284957772 in words is "sixty-eight billion, two hundred eighty-four million, nine hundred fifty-seven thousand, seven hundred seventy-two".