278127534545083 has 2 divisors, whose sum is σ = 278127534545084. Its totient is φ = 278127534545082.

The previous prime is 278127534544987. The next prime is 278127534545117. The reversal of 278127534545083 is 380545435721872.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-278127534545083 is a prime.

It is not a weakly prime, because it can be changed into another prime (278127534545683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139063767272541 + 139063767272542.

It is an arithmetic number, because the mean of its divisors is an integer number (139063767272542).

Almost surely, 2^{278127534545083} is an apocalyptic number.

278127534545083 is a deficient number, since it is larger than the sum of its proper divisors (1).

278127534545083 is an equidigital number, since it uses as much as digits as its factorization.

278127534545083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792000, while the sum is 64.

The spelling of 278127534545083 in words is "two hundred seventy-eight trillion, one hundred twenty-seven billion, five hundred thirty-four million, five hundred forty-five thousand, eighty-three".