2868138827 has 2 divisors, whose sum is σ = 2868138828. Its totient is φ = 2868138826.

The previous prime is 2868138803. The next prime is 2868138853. The reversal of 2868138827 is 7288318682.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2868138827 is a prime.

It is not a weakly prime, because it can be changed into another prime (2868168827) 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 as a sum of consecutive naturals, namely, 1434069413 + 1434069414.

It is an arithmetic number, because the mean of its divisors is an integer number (1434069414).

Almost surely, 2^2868138827 is an apocalyptic number.

2868138827 is a deficient number, since it is larger than the sum of its proper divisors (1).

2868138827 is an equidigital number, since it uses as much as digits as its factorization.

2868138827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2064384, while the sum is 53.

The square root of 2868138827 is about 53555.0074876290. The cubic root of 2868138827 is about 1420.8014432056.

The spelling of 2868138827 in words is "two billion, eight hundred sixty-eight million, one hundred thirty-eight thousand, eight hundred twenty-seven".