68276278337 has 2 divisors, whose sum is σ = 68276278338. Its totient is φ = 68276278336.

The previous prime is 68276278261. The next prime is 68276278397. The reversal of 68276278337 is 73387267286.

68276278337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64406318656 + 3869959681 = 253784^2 + 62209^2 .

It is a cyclic number.

It is not a de Polignac number, because 68276278337 - 2¹⁶ = 68276212801 is a prime.

It is not a weakly prime, because it can be changed into another prime (68276278397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34138139168 + 34138139169.

It is an arithmetic number, because the mean of its divisors is an integer number (34138139169).

Almost surely, 2^68276278337 is an apocalyptic number.

It is an amenable number.

68276278337 is a deficient number, since it is larger than the sum of its proper divisors (1).

68276278337 is an equidigital number, since it uses as much as digits as its factorization.

68276278337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28449792, while the sum is 59.

The spelling of 68276278337 in words is "sixty-eight billion, two hundred seventy-six million, two hundred seventy-eight thousand, three hundred thirty-seven".