2864793078839 has 2 divisors, whose sum is σ = 2864793078840. Its totient is φ = 2864793078838.

The previous prime is 2864793078773. The next prime is 2864793078841. The reversal of 2864793078839 is 9388703974682.

2864793078839 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 is a cyclic number.

It is not a de Polignac number, because 2864793078839 - 2²⁴ = 2864776301623 is a prime.

Together with 2864793078841, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2864793078869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1432396539419 + 1432396539420.

It is an arithmetic number, because the mean of its divisors is an integer number (1432396539420).

Almost surely, 2^{2864793078839} is an apocalyptic number.

2864793078839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2864793078839 is an equidigital number, since it uses as much as digits as its factorization.

2864793078839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 877879296, while the sum is 74.

The spelling of 2864793078839 in words is "two trillion, eight hundred sixty-four billion, seven hundred ninety-three million, seventy-eight thousand, eight hundred thirty-nine".