68771337650 has 24 divisors (see below), whose sum is σ = 130636281600. Its totient is φ = 26923246160.

The previous prime is 68771337581. The next prime is 68771337667. The reversal of 68771337650 is 5673317786.

It is a junction number, because it is equal to n+sod(n) for n = 68771337592 and 68771337601.

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, 14629850 + ... + 14634549.

It is an arithmetic number, because the mean of its divisors is an integer number (5443178400).

Almost surely, 2^68771337650 is an apocalyptic number.

68771337650 is a deficient number, since it is larger than the sum of its proper divisors (61864943950).

68771337650 is a wasteful number, since it uses less digits than its factorization.

68771337650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29264458 (or 29264453 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 53.

The spelling of 68771337650 in words is "sixty-eight billion, seven hundred seventy-one million, three hundred thirty-seven thousand, six hundred fifty".