68784317282 has 8 divisors (see below), whose sum is σ = 103400287452. Its totient is φ = 34317554800.

The previous prime is 68784317257. The next prime is 68784317317. The reversal of 68784317282 is 28271348786.

It can be written as a sum of positive squares in 2 ways, for example, as 67735788121 + 1048529161 = 260261^2 + 32381^2 .

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

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, 37300769 + ... + 37302612.

Almost surely, 2^68784317282 is an apocalyptic number.

68784317282 is a deficient number, since it is larger than the sum of its proper divisors (34615970170).

68784317282 is a wasteful number, since it uses less digits than its factorization.

68784317282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74603844.

The product of its digits is 7225344, while the sum is 56.

The spelling of 68784317282 in words is "sixty-eight billion, seven hundred eighty-four million, three hundred seventeen thousand, two hundred eighty-two".