2678273867 has 2 divisors, whose sum is σ = 2678273868. Its totient is φ = 2678273866.

The previous prime is 2678273837. The next prime is 2678273933. The reversal of 2678273867 is 7683728762.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2678273867 is a prime.

It is not a weakly prime, because it can be changed into another prime (2678273837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1339136933 + 1339136934.

It is an arithmetic number, because the mean of its divisors is an integer number (1339136934).

Almost surely, 2^2678273867 is an apocalyptic number.

2678273867 is a deficient number, since it is larger than the sum of its proper divisors (1).

2678273867 is an equidigital number, since it uses as much as digits as its factorization.

2678273867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9483264, while the sum is 56.

The square root of 2678273867 is about 51752.0421529431. The cubic root of 2678273867 is about 1388.7316323389.

The spelling of 2678273867 in words is "two billion, six hundred seventy-eight million, two hundred seventy-three thousand, eight hundred sixty-seven".