68309803067 has 24 divisors (see below), whose sum is σ = 79208809680. Its totient is φ = 58702881600.

The previous prime is 68309803031. The next prime is 68309803073. The reversal of 68309803067 is 76030890386.

It is not a de Polignac number, because 68309803067 - 2⁸ = 68309802811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68309803027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1027613 + ... + 1092065.

It is an arithmetic number, because the mean of its divisors is an integer number (3300367070).

Almost surely, 2^68309803067 is an apocalyptic number.

68309803067 is a deficient number, since it is larger than the sum of its proper divisors (10899006613).

68309803067 is a wasteful number, since it uses less digits than its factorization.

68309803067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64955 (or 64944 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 68309803067 in words is "sixty-eight billion, three hundred nine million, eight hundred three thousand, sixty-seven".