255800578037 has 2 divisors, whose sum is σ = 255800578038. Its totient is φ = 255800578036.

The previous prime is 255800577997. The next prime is 255800578051. The reversal of 255800578037 is 730875008552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227847747556 + 27952830481 = 477334^2 + 167191^2 .

It is a cyclic number.

It is not a de Polignac number, because 255800578037 - 2⁶ = 255800577973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255800572037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127900289018 + 127900289019.

It is an arithmetic number, because the mean of its divisors is an integer number (127900289019).

Almost surely, 2^255800578037 is an apocalyptic number.

It is an amenable number.

255800578037 is a deficient number, since it is larger than the sum of its proper divisors (1).

255800578037 is an equidigital number, since it uses as much as digits as its factorization.

255800578037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352000, while the sum is 50.

The spelling of 255800578037 in words is "two hundred fifty-five billion, eight hundred million, five hundred seventy-eight thousand, thirty-seven".