68689766798600 has 24 divisors (see below), whose sum is σ = 159703707807210. Its totient is φ = 27475906719360.

The previous prime is 68689766798567. The next prime is 68689766798687. The reversal of 68689766798600 is 689766798686.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 41309182637284 + 27380584161316 = 6427222^2 + 5232646^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 171724416797 + ... + 171724417196.

Almost surely, 2^{68689766798600} is an apocalyptic number.

It is an amenable number.

68689766798600 is an abundant number, since it is smaller than the sum of its proper divisors (91013941008610).

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

68689766798600 is a wasteful number, since it uses less digits than its factorization.

68689766798600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343448834009 (or 343448834000 counting only the distinct ones).

The product of its (nonzero) digits is 15801827328, while the sum is 86.

Adding to 68689766798600 its sum of digits (86), we get a palindrome (68689766798686).

The spelling of 68689766798600 in words is "sixty-eight trillion, six hundred eighty-nine billion, seven hundred sixty-six million, seven hundred ninety-eight thousand, six hundred".