68276589391 has 16 divisors (see below), whose sum is σ = 69679925856. Its totient is φ = 66885451776.

The previous prime is 68276589373. The next prime is 68276589401. The reversal of 68276589391 is 19398567286.

It is a cyclic number.

It is not a de Polignac number, because 68276589391 - 2¹⁷ = 68276458319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68271589391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11654335 + ... + 11660191.

It is an arithmetic number, because the mean of its divisors is an integer number (4354995366).

Almost surely, 2^68276589391 is an apocalyptic number.

68276589391 is a deficient number, since it is larger than the sum of its proper divisors (1403336465).

68276589391 is a wasteful number, since it uses less digits than its factorization.

68276589391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6858.

The product of its digits is 39191040, while the sum is 64.

The spelling of 68276589391 in words is "sixty-eight billion, two hundred seventy-six million, five hundred eighty-nine thousand, three hundred ninety-one".