68976797420205 has 12 divisors (see below), whose sum is σ = 119559782195100. Its totient is φ = 36787625290752.

The previous prime is 68976797420191. The next prime is 68976797420257. The reversal of 68976797420205 is 50202479767986.

68976797420205 is a `hidden beast` number, since 6 + 8 + 97 + 6 + 7 + 97 + 420 + 20 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24345165182724 + 44631632237481 = 4934082^2 + 6680691^2 .

It is not a de Polignac number, because 68976797420205 - 2⁷ = 68976797420077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 766408860180 + ... + 766408860269.

It is an arithmetic number, because the mean of its divisors is an integer number (9963315182925).

Almost surely, 2^{68976797420205} is an apocalyptic number.

It is an amenable number.

68976797420205 is a deficient number, since it is larger than the sum of its proper divisors (50582984774895).

68976797420205 is a wasteful number, since it uses less digits than its factorization.

68976797420205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532817720460 (or 1532817720457 counting only the distinct ones).

The product of its (nonzero) digits is 640120320, while the sum is 72.

The spelling of 68976797420205 in words is "sixty-eight trillion, nine hundred seventy-six billion, seven hundred ninety-seven million, four hundred twenty thousand, two hundred five".