278364928003 has 2 divisors, whose sum is σ = 278364928004. Its totient is φ = 278364928002.

The previous prime is 278364927949. The next prime is 278364928007. The reversal of 278364928003 is 300829463872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 278364928003 - 2²⁵ = 278331373571 is a prime.

It is not a weakly prime, because it can be changed into another prime (278364928007) 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, 139182464001 + 139182464002.

It is an arithmetic number, because the mean of its divisors is an integer number (139182464002).

Almost surely, 2^278364928003 is an apocalyptic number.

278364928003 is a deficient number, since it is larger than the sum of its proper divisors (1).

278364928003 is an equidigital number, since it uses as much as digits as its factorization.

278364928003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 278364928003 in words is "two hundred seventy-eight billion, three hundred sixty-four million, nine hundred twenty-eight thousand, three".