68277538843 has 16 divisors (see below), whose sum is σ = 70817898240. Its totient is φ = 65758838400.

The previous prime is 68277538811. The next prime is 68277538853. The reversal of 68277538843 is 34883577286.

68277538843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 68277538843 - 2⁵ = 68277538811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68277538853) 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, 8843821 + ... + 8851537.

It is an arithmetic number, because the mean of its divisors is an integer number (4426118640).

Almost surely, 2^68277538843 is an apocalyptic number.

68277538843 is a deficient number, since it is larger than the sum of its proper divisors (2540359397).

68277538843 is a wasteful number, since it uses less digits than its factorization.

68277538843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9078.

The product of its digits is 54190080, while the sum is 61.

The spelling of 68277538843 in words is "sixty-eight billion, two hundred seventy-seven million, five hundred thirty-eight thousand, eight hundred forty-three".