278053339859 has 2 divisors, whose sum is σ = 278053339860. Its totient is φ = 278053339858.

The previous prime is 278053339831. The next prime is 278053339919. The reversal of 278053339859 is 958933350872.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-278053339859 is a prime.

It is not a weakly prime, because it can be changed into another prime (278053332859) 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, 139026669929 + 139026669930.

It is an arithmetic number, because the mean of its divisors is an integer number (139026669930).

Almost surely, 2^278053339859 is an apocalyptic number.

278053339859 is a deficient number, since it is larger than the sum of its proper divisors (1).

278053339859 is an equidigital number, since it uses as much as digits as its factorization.

278053339859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48988800, while the sum is 62.

The spelling of 278053339859 in words is "two hundred seventy-eight billion, fifty-three million, three hundred thirty-nine thousand, eight hundred fifty-nine".