68276278336 has 28 divisors (see below), whose sum is σ = 154840846528. Its totient is φ = 29261261952.

The previous prime is 68276278261. The next prime is 68276278337. The reversal of 68276278336 is 63387267286.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (68276278337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76200756 + ... + 76201651.

Almost surely, 2^68276278336 is an apocalyptic number.

It is an amenable number.

68276278336 is an abundant number, since it is smaller than the sum of its proper divisors (86564568192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68276278336 is a wasteful number, since it uses less digits than its factorization.

68276278336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152402426 (or 152402416 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 58.

The spelling of 68276278336 in words is "sixty-eight billion, two hundred seventy-six million, two hundred seventy-eight thousand, three hundred thirty-six".