68739079282 has 12 divisors (see below), whose sum is σ = 108821008926. Its totient is φ = 32560616160.

The previous prime is 68739079271. The next prime is 68739079289. The reversal of 68739079282 is 28297093786.

It can be written as a sum of positive squares in only one way, i.e., 45859794201 + 22879285081 = 214149^2 + 151259^2 .

It is a super-2 number, since 2×68739079282² (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 68739079282.

It is not an unprimeable number, because it can be changed into a prime (68739079289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47602519 + ... + 47603962.

Almost surely, 2^68739079282 is an apocalyptic number.

68739079282 is a deficient number, since it is larger than the sum of its proper divisors (40081929644).

68739079282 is a wasteful number, since it uses less digits than its factorization.

68739079282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95206521 (or 95206502 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 68739079282 in words is "sixty-eight billion, seven hundred thirty-nine million, seventy-nine thousand, two hundred eighty-two".