68867930329 has 9 divisors (see below), whose sum is σ = 75700980831. Its totient is φ = 62604585120.

The previous prime is 68867930323. The next prime is 68867930357. The reversal of 68867930329 is 92303976886.

The square root of 68867930329 is 262427.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3561105625 + 65306824704 = 59675^2 + 255552^2 .

It is not a de Polignac number, because 68867930329 - 2⁹ = 68867929817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68867930323) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2874769 + ... + 2898625.

Almost surely, 2^68867930329 is an apocalyptic number.

68867930329 is the 262427-th square number.

68867930329 is the 131214-th centered octagonal number.

It is an amenable number.

68867930329 is a deficient number, since it is larger than the sum of its proper divisors (6833050502).

68867930329 is an frugal number, since it uses more digits than its factorization.

68867930329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47736 (or 23868 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 68867930329 in words is "sixty-eight billion, eight hundred sixty-seven million, nine hundred thirty thousand, three hundred twenty-nine".