68935336766 has 4 divisors (see below), whose sum is σ = 103403005152. Its totient is φ = 34467668382.

The previous prime is 68935336751. The next prime is 68935336777. The reversal of 68935336766 is 66763353986.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 68935336699 and 68935336708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17233834190 + ... + 17233834193.

It is an arithmetic number, because the mean of its divisors is an integer number (25850751288).

Almost surely, 2^68935336766 is an apocalyptic number.

68935336766 is a deficient number, since it is larger than the sum of its proper divisors (34467668386).

68935336766 is a wasteful number, since it uses less digits than its factorization.

68935336766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34467668385.

The product of its digits is 88179840, while the sum is 62.

The spelling of 68935336766 in words is "sixty-eight billion, nine hundred thirty-five million, three hundred thirty-six thousand, seven hundred sixty-six".